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Finding the Fourth Proportional to 228,532.89, 342,854.01 and 95,339.12

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Solution

The fourth proportional to 228,532.89, 342,854.01 and 95,339.12 is: 143,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,532.89 : 342,854.01 = 95,339.12 : x
  2. Step 2: Convert to fraction form
    228,532.89/342,854.01 = 95,339.12/x
  3. Step 3: Cross multiply
    228,532.89x = 342,854.01 × 95,339.12
  4. Step 4: Simplify right side
    228,532.89x = 32,687,399,125.18
  5. Step 5: Solve for x
    x = 32,687,399,125.18/228,532.89
  6. Step 6: Final answer
    x = 143,031.49

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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.