Home / 247,926.48-371,893.86-129,828.48

Finding the Fourth Proportional to 247,926.48, 371,893.86 and 129,828.48

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Solution

The fourth proportional to 247,926.48, 371,893.86 and 129,828.48 is: 194,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,926.48 : 371,893.86 = 129,828.48 : x
  2. Step 2: Convert to fraction form
    247,926.48/371,893.86 = 129,828.48/x
  3. Step 3: Cross multiply
    247,926.48x = 371,893.86 × 129,828.48
  4. Step 4: Simplify right side
    247,926.48x = 48,282,414,565.13
  5. Step 5: Solve for x
    x = 48,282,414,565.13/247,926.48
  6. Step 6: Final answer
    x = 194,744.89

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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.