Home / 331,462.90-497,259.15-131,749.30

Finding the Fourth Proportional to 331,462.90, 497,259.15 and 131,749.30

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Solution

The fourth proportional to 331,462.90, 497,259.15 and 131,749.30 is: 197,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,462.90 : 497,259.15 = 131,749.30 : x
  2. Step 2: Convert to fraction form
    331,462.90/497,259.15 = 131,749.30/x
  3. Step 3: Cross multiply
    331,462.90x = 497,259.15 × 131,749.30
  4. Step 4: Simplify right side
    331,462.90x = 65,513,544,931.10
  5. Step 5: Solve for x
    x = 65,513,544,931.10/331,462.90
  6. Step 6: Final answer
    x = 197,649.71

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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.