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Finding the Fourth Proportional to 342,125.04, 472,120.64 and 187,079.96

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Solution

The fourth proportional to 342,125.04, 472,120.64 and 187,079.96 is: 258,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,125.04 : 472,120.64 = 187,079.96 : x
  2. Step 2: Convert to fraction form
    342,125.04/472,120.64 = 187,079.96/x
  3. Step 3: Cross multiply
    342,125.04x = 472,120.64 × 187,079.96
  4. Step 4: Simplify right side
    342,125.04x = 88,324,310,446.37
  5. Step 5: Solve for x
    x = 88,324,310,446.37/342,125.04
  6. Step 6: Final answer
    x = 258,163.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.