Home / 255,700.11-383,660.85-137,233.02

Finding the Fourth Proportional to 255,700.11, 383,660.85 and 137,233.02

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Solution

The fourth proportional to 255,700.11, 383,660.85 and 137,233.02 is: 205,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,700.11 : 383,660.85 = 137,233.02 : x
  2. Step 2: Convert to fraction form
    255,700.11/383,660.85 = 137,233.02/x
  3. Step 3: Cross multiply
    255,700.11x = 383,660.85 × 137,233.02
  4. Step 4: Simplify right side
    255,700.11x = 52,650,934,496.80
  5. Step 5: Solve for x
    x = 52,650,934,496.80/255,700.11
  6. Step 6: Final answer
    x = 205,908.93

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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.