Home / 438,770.13-658,155.19-106,346.13

Finding the Fourth Proportional to 438,770.13, 658,155.19 and 106,346.13

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Solution

The fourth proportional to 438,770.13, 658,155.19 and 106,346.13 is: 159,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,770.13 : 658,155.19 = 106,346.13 : x
  2. Step 2: Convert to fraction form
    438,770.13/658,155.19 = 106,346.13/x
  3. Step 3: Cross multiply
    438,770.13x = 658,155.19 × 106,346.13
  4. Step 4: Simplify right side
    438,770.13x = 69,992,257,395.91
  5. Step 5: Solve for x
    x = 69,992,257,395.91/438,770.13
  6. Step 6: Final answer
    x = 159,519.19

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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.