Home / 438,227.31-657,426.17-168,335.72

Finding the Fourth Proportional to 438,227.31, 657,426.17 and 168,335.72

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Solution

The fourth proportional to 438,227.31, 657,426.17 and 168,335.72 is: 252,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,227.31 : 657,426.17 = 168,335.72 : x
  2. Step 2: Convert to fraction form
    438,227.31/657,426.17 = 168,335.72/x
  3. Step 3: Cross multiply
    438,227.31x = 657,426.17 × 168,335.72
  4. Step 4: Simplify right side
    438,227.31x = 110,668,307,272.85
  5. Step 5: Solve for x
    x = 110,668,307,272.85/438,227.31
  6. Step 6: Final answer
    x = 252,536.31

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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.