Home / 331,345.20-497,082.60-141,805.20

Finding the Fourth Proportional to 331,345.20, 497,082.60 and 141,805.20

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Solution

The fourth proportional to 331,345.20, 497,082.60 and 141,805.20 is: 212,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,345.20 : 497,082.60 = 141,805.20 : x
  2. Step 2: Convert to fraction form
    331,345.20/497,082.60 = 141,805.20/x
  3. Step 3: Cross multiply
    331,345.20x = 497,082.60 × 141,805.20
  4. Step 4: Simplify right side
    331,345.20x = 70,488,897,509.52
  5. Step 5: Solve for x
    x = 70,488,897,509.52/331,345.20
  6. Step 6: Final answer
    x = 212,735.53

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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.