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Finding the Fourth Proportional to 460,045.80, 634,881.42 and 256,105.80

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Solution

The fourth proportional to 460,045.80, 634,881.42 and 256,105.80 is: 353,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,045.80 : 634,881.42 = 256,105.80 : x
  2. Step 2: Convert to fraction form
    460,045.80/634,881.42 = 256,105.80/x
  3. Step 3: Cross multiply
    460,045.80x = 634,881.42 × 256,105.80
  4. Step 4: Simplify right side
    460,045.80x = 162,596,813,974.24
  5. Step 5: Solve for x
    x = 162,596,813,974.24/460,045.80
  6. Step 6: Final answer
    x = 353,436.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.