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Finding the Fourth Proportional to 417,197.86, 625,425.60 and 150,899.14

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Solution

The fourth proportional to 417,197.86, 625,425.60 and 150,899.14 is: 226,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,197.86 : 625,425.60 = 150,899.14 : x
  2. Step 2: Convert to fraction form
    417,197.86/625,425.60 = 150,899.14/x
  3. Step 3: Cross multiply
    417,197.86x = 625,425.60 × 150,899.14
  4. Step 4: Simplify right side
    417,197.86x = 94,376,185,173.98
  5. Step 5: Solve for x
    x = 94,376,185,173.98/417,197.86
  6. Step 6: Final answer
    x = 226,214.45

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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.