Home / 291,559.20-437,337.02-75,417.92

Finding the Fourth Proportional to 291,559.20, 437,337.02 and 75,417.92

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Solution

The fourth proportional to 291,559.20, 437,337.02 and 75,417.92 is: 113,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,559.20 : 437,337.02 = 75,417.92 : x
  2. Step 2: Convert to fraction form
    291,559.20/437,337.02 = 75,417.92/x
  3. Step 3: Cross multiply
    291,559.20x = 437,337.02 × 75,417.92
  4. Step 4: Simplify right side
    291,559.20x = 32,983,048,387.40
  5. Step 5: Solve for x
    x = 32,983,048,387.40/291,559.20
  6. Step 6: Final answer
    x = 113,126.42

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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.