Home / 438,023.06-656,934.14-122,502.26

Finding the Fourth Proportional to 438,023.06, 656,934.14 and 122,502.26

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Solution

The fourth proportional to 438,023.06, 656,934.14 and 122,502.26 is: 183,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,023.06 : 656,934.14 = 122,502.26 : x
  2. Step 2: Convert to fraction form
    438,023.06/656,934.14 = 122,502.26/x
  3. Step 3: Cross multiply
    438,023.06x = 656,934.14 × 122,502.26
  4. Step 4: Simplify right side
    438,023.06x = 80,475,916,821.16
  5. Step 5: Solve for x
    x = 80,475,916,821.16/438,023.06
  6. Step 6: Final answer
    x = 183,725.30

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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.