Home / 499,402.82-749,126.09-144,452.72

Finding the Fourth Proportional to 499,402.82, 749,126.09 and 144,452.72

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Solution

The fourth proportional to 499,402.82, 749,126.09 and 144,452.72 is: 216,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,402.82 : 749,126.09 = 144,452.72 : x
  2. Step 2: Convert to fraction form
    499,402.82/749,126.09 = 144,452.72/x
  3. Step 3: Cross multiply
    499,402.82x = 749,126.09 × 144,452.72
  4. Step 4: Simplify right side
    499,402.82x = 108,213,297,938.97
  5. Step 5: Solve for x
    x = 108,213,297,938.97/499,402.82
  6. Step 6: Final answer
    x = 216,685.40

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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.