Home / 460,935.20-691,402.82-145,416.72

Finding the Fourth Proportional to 460,935.20, 691,402.82 and 145,416.72

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Solution

The fourth proportional to 460,935.20, 691,402.82 and 145,416.72 is: 218,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,935.20 : 691,402.82 = 145,416.72 : x
  2. Step 2: Convert to fraction form
    460,935.20/691,402.82 = 145,416.72/x
  3. Step 3: Cross multiply
    460,935.20x = 691,402.82 × 145,416.72
  4. Step 4: Simplify right side
    460,935.20x = 100,541,530,283.15
  5. Step 5: Solve for x
    x = 100,541,530,283.15/460,935.20
  6. Step 6: Final answer
    x = 218,125.09

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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.