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Finding the Fourth Proportional to 191,484.97, 287,270.12 and 58,375.62

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Solution

The fourth proportional to 191,484.97, 287,270.12 and 58,375.62 is: 87,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,484.97 : 287,270.12 = 58,375.62 : x
  2. Step 2: Convert to fraction form
    191,484.97/287,270.12 = 58,375.62/x
  3. Step 3: Cross multiply
    191,484.97x = 287,270.12 × 58,375.62
  4. Step 4: Simplify right side
    191,484.97x = 16,769,571,508.41
  5. Step 5: Solve for x
    x = 16,769,571,508.41/191,484.97
  6. Step 6: Final answer
    x = 87,576.44

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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.