Home / 262,962.10-394,443.15-129,862.90

Finding the Fourth Proportional to 262,962.10, 394,443.15 and 129,862.90

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Solution

The fourth proportional to 262,962.10, 394,443.15 and 129,862.90 is: 194,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,962.10 : 394,443.15 = 129,862.90 : x
  2. Step 2: Convert to fraction form
    262,962.10/394,443.15 = 129,862.90/x
  3. Step 3: Cross multiply
    262,962.10x = 394,443.15 × 129,862.90
  4. Step 4: Simplify right side
    262,962.10x = 51,223,531,344.14
  5. Step 5: Solve for x
    x = 51,223,531,344.14/262,962.10
  6. Step 6: Final answer
    x = 194,794.35

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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.