Home / 291,948.30-437,884.79-92,288.88

Finding the Fourth Proportional to 291,948.30, 437,884.79 and 92,288.88

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Solution

The fourth proportional to 291,948.30, 437,884.79 and 92,288.88 is: 138,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,948.30 : 437,884.79 = 92,288.88 : x
  2. Step 2: Convert to fraction form
    291,948.30/437,884.79 = 92,288.88/x
  3. Step 3: Cross multiply
    291,948.30x = 437,884.79 × 92,288.88
  4. Step 4: Simplify right side
    291,948.30x = 40,411,896,838.14
  5. Step 5: Solve for x
    x = 40,411,896,838.14/291,948.30
  6. Step 6: Final answer
    x = 138,421.42

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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.