Home / 231,387.30-347,210.55-98,244.90

Finding the Fourth Proportional to 231,387.30, 347,210.55 and 98,244.90

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Solution

The fourth proportional to 231,387.30, 347,210.55 and 98,244.90 is: 147,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,387.30 : 347,210.55 = 98,244.90 : x
  2. Step 2: Convert to fraction form
    231,387.30/347,210.55 = 98,244.90/x
  3. Step 3: Cross multiply
    231,387.30x = 347,210.55 × 98,244.90
  4. Step 4: Simplify right side
    231,387.30x = 34,111,665,763.70
  5. Step 5: Solve for x
    x = 34,111,665,763.70/231,387.30
  6. Step 6: Final answer
    x = 147,422.38

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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.