Home / 291,873.24-437,834.70-92,140.20

Finding the Fourth Proportional to 291,873.24, 437,834.70 and 92,140.20

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Solution

The fourth proportional to 291,873.24, 437,834.70 and 92,140.20 is: 138,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,873.24 : 437,834.70 = 92,140.20 : x
  2. Step 2: Convert to fraction form
    291,873.24/437,834.70 = 92,140.20/x
  3. Step 3: Cross multiply
    291,873.24x = 437,834.70 × 92,140.20
  4. Step 4: Simplify right side
    291,873.24x = 40,342,176,824.94
  5. Step 5: Solve for x
    x = 40,342,176,824.94/291,873.24
  6. Step 6: Final answer
    x = 138,218.14

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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.