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Finding the Fourth Proportional to 232,483.80, 348,639.30 and 92,213.40

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Solution

The fourth proportional to 232,483.80, 348,639.30 and 92,213.40 is: 138,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,483.80 : 348,639.30 = 92,213.40 : x
  2. Step 2: Convert to fraction form
    232,483.80/348,639.30 = 92,213.40/x
  3. Step 3: Cross multiply
    232,483.80x = 348,639.30 × 92,213.40
  4. Step 4: Simplify right side
    232,483.80x = 32,149,215,226.62
  5. Step 5: Solve for x
    x = 32,149,215,226.62/232,483.80
  6. Step 6: Final answer
    x = 138,285.83

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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.