Home / 362,078.20-543,117.30-268,766.20

Finding the Fourth Proportional to 362,078.20, 543,117.30 and 268,766.20

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Solution

The fourth proportional to 362,078.20, 543,117.30 and 268,766.20 is: 403,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,078.20 : 543,117.30 = 268,766.20 : x
  2. Step 2: Convert to fraction form
    362,078.20/543,117.30 = 268,766.20/x
  3. Step 3: Cross multiply
    362,078.20x = 543,117.30 × 268,766.20
  4. Step 4: Simplify right side
    362,078.20x = 145,971,572,875.26
  5. Step 5: Solve for x
    x = 145,971,572,875.26/362,078.20
  6. Step 6: Final answer
    x = 403,149.30

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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.