Home / 291,934.78-437,899.53-92,255.20

Finding the Fourth Proportional to 291,934.78, 437,899.53 and 92,255.20

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Solution

The fourth proportional to 291,934.78, 437,899.53 and 92,255.20 is: 138,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,934.78 : 437,899.53 = 92,255.20 : x
  2. Step 2: Convert to fraction form
    291,934.78/437,899.53 = 92,255.20/x
  3. Step 3: Cross multiply
    291,934.78x = 437,899.53 × 92,255.20
  4. Step 4: Simplify right side
    291,934.78x = 40,398,508,720.06
  5. Step 5: Solve for x
    x = 40,398,508,720.06/291,934.78
  6. Step 6: Final answer
    x = 138,381.97

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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.