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Finding the Fourth Proportional to 562,103, 843,092.40 and 141,379.04

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Solution

The fourth proportional to 562,103, 843,092.40 and 141,379.04 is: 212,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,103 : 843,092.40 = 141,379.04 : x
  2. Step 2: Convert to fraction form
    562,103/843,092.40 = 141,379.04/x
  3. Step 3: Cross multiply
    562,103x = 843,092.40 × 141,379.04
  4. Step 4: Simplify right side
    562,103x = 119,195,594,143.30
  5. Step 5: Solve for x
    x = 119,195,594,143.30/562,103
  6. Step 6: Final answer
    x = 212,052.94

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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.