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Finding the Fourth Proportional to 625,798.54, 938,141.02 and 226,350.46

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Solution

The fourth proportional to 625,798.54, 938,141.02 and 226,350.46 is: 339,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,798.54 : 938,141.02 = 226,350.46 : x
  2. Step 2: Convert to fraction form
    625,798.54/938,141.02 = 226,350.46/x
  3. Step 3: Cross multiply
    625,798.54x = 938,141.02 × 226,350.46
  4. Step 4: Simplify right side
    625,798.54x = 212,348,651,421.87
  5. Step 5: Solve for x
    x = 212,348,651,421.87/625,798.54
  6. Step 6: Final answer
    x = 339,324.30

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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.