Home / 291,986.64-437,942.12-92,327.12

Finding the Fourth Proportional to 291,986.64, 437,942.12 and 92,327.12

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Solution

The fourth proportional to 291,986.64, 437,942.12 and 92,327.12 is: 138,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,986.64 : 437,942.12 = 92,327.12 : x
  2. Step 2: Convert to fraction form
    291,986.64/437,942.12 = 92,327.12/x
  3. Step 3: Cross multiply
    291,986.64x = 437,942.12 × 92,327.12
  4. Step 4: Simplify right side
    291,986.64x = 40,433,934,666.29
  5. Step 5: Solve for x
    x = 40,433,934,666.29/291,986.64
  6. Step 6: Final answer
    x = 138,478.71

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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.