Home / 247,780.61-371,684.99-70,273.56

Finding the Fourth Proportional to 247,780.61, 371,684.99 and 70,273.56

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Solution

The fourth proportional to 247,780.61, 371,684.99 and 70,273.56 is: 105,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,780.61 : 371,684.99 = 70,273.56 : x
  2. Step 2: Convert to fraction form
    247,780.61/371,684.99 = 70,273.56/x
  3. Step 3: Cross multiply
    247,780.61x = 371,684.99 × 70,273.56
  4. Step 4: Simplify right side
    247,780.61x = 26,119,627,445.86
  5. Step 5: Solve for x
    x = 26,119,627,445.86/247,780.61
  6. Step 6: Final answer
    x = 105,414.33

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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.