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Finding the Fourth Proportional to 397,775.72, 596,572.46 and 113,460.86

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Solution

The fourth proportional to 397,775.72, 596,572.46 and 113,460.86 is: 170,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,775.72 : 596,572.46 = 113,460.86 : x
  2. Step 2: Convert to fraction form
    397,775.72/596,572.46 = 113,460.86/x
  3. Step 3: Cross multiply
    397,775.72x = 596,572.46 × 113,460.86
  4. Step 4: Simplify right side
    397,775.72x = 67,687,625,713.52
  5. Step 5: Solve for x
    x = 67,687,625,713.52/397,775.72
  6. Step 6: Final answer
    x = 170,165.30

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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.