Home / 264,859.28-397,301.15-87,381.80

Finding the Fourth Proportional to 264,859.28, 397,301.15 and 87,381.80

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Solution

The fourth proportional to 264,859.28, 397,301.15 and 87,381.80 is: 131,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,859.28 : 397,301.15 = 87,381.80 : x
  2. Step 2: Convert to fraction form
    264,859.28/397,301.15 = 87,381.80/x
  3. Step 3: Cross multiply
    264,859.28x = 397,301.15 × 87,381.80
  4. Step 4: Simplify right side
    264,859.28x = 34,716,887,861.02
  5. Step 5: Solve for x
    x = 34,716,887,861.02/264,859.28
  6. Step 6: Final answer
    x = 131,076.73

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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.