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Finding the Fourth Proportional to 244,704.34, 337,703.12 and 142,731.82

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Solution

The fourth proportional to 244,704.34, 337,703.12 and 142,731.82 is: 196,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,704.34 : 337,703.12 = 142,731.82 : x
  2. Step 2: Convert to fraction form
    244,704.34/337,703.12 = 142,731.82/x
  3. Step 3: Cross multiply
    244,704.34x = 337,703.12 × 142,731.82
  4. Step 4: Simplify right side
    244,704.34x = 48,200,980,937.28
  5. Step 5: Solve for x
    x = 48,200,980,937.28/244,704.34
  6. Step 6: Final answer
    x = 196,976.40

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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.