Home / 243,476.28-365,230.92-74,986.20

Finding the Fourth Proportional to 243,476.28, 365,230.92 and 74,986.20

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Solution

The fourth proportional to 243,476.28, 365,230.92 and 74,986.20 is: 112,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,476.28 : 365,230.92 = 74,986.20 : x
  2. Step 2: Convert to fraction form
    243,476.28/365,230.92 = 74,986.20/x
  3. Step 3: Cross multiply
    243,476.28x = 365,230.92 × 74,986.20
  4. Step 4: Simplify right side
    243,476.28x = 27,387,278,813.30
  5. Step 5: Solve for x
    x = 27,387,278,813.30/243,476.28
  6. Step 6: Final answer
    x = 112,484.38

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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.