Home / 460,841.49-691,262.24-145,330.29

Finding the Fourth Proportional to 460,841.49, 691,262.24 and 145,330.29

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Solution

The fourth proportional to 460,841.49, 691,262.24 and 145,330.29 is: 217,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,841.49 : 691,262.24 = 145,330.29 : x
  2. Step 2: Convert to fraction form
    460,841.49/691,262.24 = 145,330.29/x
  3. Step 3: Cross multiply
    460,841.49x = 691,262.24 × 145,330.29
  4. Step 4: Simplify right side
    460,841.49x = 100,461,341,078.60
  5. Step 5: Solve for x
    x = 100,461,341,078.60/460,841.49
  6. Step 6: Final answer
    x = 217,995.44

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.