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Finding the Fourth Proportional to 247,882.23, 342,079.62 and 134,704.98

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Solution

The fourth proportional to 247,882.23, 342,079.62 and 134,704.98 is: 185,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,882.23 : 342,079.62 = 134,704.98 : x
  2. Step 2: Convert to fraction form
    247,882.23/342,079.62 = 134,704.98/x
  3. Step 3: Cross multiply
    247,882.23x = 342,079.62 × 134,704.98
  4. Step 4: Simplify right side
    247,882.23x = 46,079,828,370.51
  5. Step 5: Solve for x
    x = 46,079,828,370.51/247,882.23
  6. Step 6: Final answer
    x = 185,894.04

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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.