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Finding the Fourth Proportional to 231,337.60, 346,921.40 and 79,491.62

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Solution

The fourth proportional to 231,337.60, 346,921.40 and 79,491.62 is: 119,208.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,337.60 : 346,921.40 = 79,491.62 : x
  2. Step 2: Convert to fraction form
    231,337.60/346,921.40 = 79,491.62/x
  3. Step 3: Cross multiply
    231,337.60x = 346,921.40 × 79,491.62
  4. Step 4: Simplify right side
    231,337.60x = 27,577,343,339.89
  5. Step 5: Solve for x
    x = 27,577,343,339.89/231,337.60
  6. Step 6: Final answer
    x = 119,208.22

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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.