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Finding the Fourth Proportional to 453,636.96, 680,553.84 and 138,085.68

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Solution

The fourth proportional to 453,636.96, 680,553.84 and 138,085.68 is: 207,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,636.96 : 680,553.84 = 138,085.68 : x
  2. Step 2: Convert to fraction form
    453,636.96/680,553.84 = 138,085.68/x
  3. Step 3: Cross multiply
    453,636.96x = 680,553.84 × 138,085.68
  4. Step 4: Simplify right side
    453,636.96x = 93,974,739,773.01
  5. Step 5: Solve for x
    x = 93,974,739,773.01/453,636.96
  6. Step 6: Final answer
    x = 207,158.47

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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.