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Finding the Fourth Proportional to 310,500.83, 428,536.52 and 174,545.97

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Solution

The fourth proportional to 310,500.83, 428,536.52 and 174,545.97 is: 240,898.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,500.83 : 428,536.52 = 174,545.97 : x
  2. Step 2: Convert to fraction form
    310,500.83/428,536.52 = 174,545.97/x
  3. Step 3: Cross multiply
    310,500.83x = 428,536.52 × 174,545.97
  4. Step 4: Simplify right side
    310,500.83x = 74,799,322,563.82
  5. Step 5: Solve for x
    x = 74,799,322,563.82/310,500.83
  6. Step 6: Final answer
    x = 240,898.95

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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.