Home / 247,729.02-341,864.55-134,550.78

Finding the Fourth Proportional to 247,729.02, 341,864.55 and 134,550.78

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Solution

The fourth proportional to 247,729.02, 341,864.55 and 134,550.78 is: 185,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,729.02 : 341,864.55 = 134,550.78 : x
  2. Step 2: Convert to fraction form
    247,729.02/341,864.55 = 134,550.78/x
  3. Step 3: Cross multiply
    247,729.02x = 341,864.55 × 134,550.78
  4. Step 4: Simplify right side
    247,729.02x = 45,998,141,856.85
  5. Step 5: Solve for x
    x = 45,998,141,856.85/247,729.02
  6. Step 6: Final answer
    x = 185,679.26

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1.5x scale

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.