Home / 255,281.18-383,158.17-129,010.28

Finding the Fourth Proportional to 255,281.18, 383,158.17 and 129,010.28

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Solution

The fourth proportional to 255,281.18, 383,158.17 and 129,010.28 is: 193,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,281.18 : 383,158.17 = 129,010.28 : x
  2. Step 2: Convert to fraction form
    255,281.18/383,158.17 = 129,010.28/x
  3. Step 3: Cross multiply
    255,281.18x = 383,158.17 × 129,010.28
  4. Step 4: Simplify right side
    255,281.18x = 49,431,340,880.20
  5. Step 5: Solve for x
    x = 49,431,340,880.20/255,281.18
  6. Step 6: Final answer
    x = 193,634.88

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1.5x scale

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.