Home / 297,301.28-446,020.02-128,849.90

Finding the Fourth Proportional to 297,301.28, 446,020.02 and 128,849.90

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Solution

The fourth proportional to 297,301.28, 446,020.02 and 128,849.90 is: 193,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,301.28 : 446,020.02 = 128,849.90 : x
  2. Step 2: Convert to fraction form
    297,301.28/446,020.02 = 128,849.90/x
  3. Step 3: Cross multiply
    297,301.28x = 446,020.02 × 128,849.90
  4. Step 4: Simplify right side
    297,301.28x = 57,469,632,744.90
  5. Step 5: Solve for x
    x = 57,469,632,744.90/297,301.28
  6. Step 6: Final answer
    x = 193,304.36

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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.