Home / 402,087.26-554,841.15-232,317.74

Finding the Fourth Proportional to 402,087.26, 554,841.15 and 232,317.74

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Solution

The fourth proportional to 402,087.26, 554,841.15 and 232,317.74 is: 320,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,087.26 : 554,841.15 = 232,317.74 : x
  2. Step 2: Convert to fraction form
    402,087.26/554,841.15 = 232,317.74/x
  3. Step 3: Cross multiply
    402,087.26x = 554,841.15 × 232,317.74
  4. Step 4: Simplify right side
    402,087.26x = 128,899,442,027.00
  5. Step 5: Solve for x
    x = 128,899,442,027.00/402,087.26
  6. Step 6: Final answer
    x = 320,575.79

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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.