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Finding the Fourth Proportional to 625,362.63, 938,176.43 and 241,121.31

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Solution

The fourth proportional to 625,362.63, 938,176.43 and 241,121.31 is: 361,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,362.63 : 938,176.43 = 241,121.31 : x
  2. Step 2: Convert to fraction form
    625,362.63/938,176.43 = 241,121.31/x
  3. Step 3: Cross multiply
    625,362.63x = 938,176.43 × 241,121.31
  4. Step 4: Simplify right side
    625,362.63x = 226,214,328,607.12
  5. Step 5: Solve for x
    x = 226,214,328,607.12/625,362.63
  6. Step 6: Final answer
    x = 361,733.05

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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.