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Finding the Fourth Proportional to 625,110.96, 937,662.32 and 151,793.12

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Solution

The fourth proportional to 625,110.96, 937,662.32 and 151,793.12 is: 227,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,110.96 : 937,662.32 = 151,793.12 : x
  2. Step 2: Convert to fraction form
    625,110.96/937,662.32 = 151,793.12/x
  3. Step 3: Cross multiply
    625,110.96x = 937,662.32 × 151,793.12
  4. Step 4: Simplify right side
    625,110.96x = 142,330,689,059.24
  5. Step 5: Solve for x
    x = 142,330,689,059.24/625,110.96
  6. Step 6: Final answer
    x = 227,688.68

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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.