Home / 316,557.12-474,882.72-91,919.52

Finding the Fourth Proportional to 316,557.12, 474,882.72 and 91,919.52

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Solution

The fourth proportional to 316,557.12, 474,882.72 and 91,919.52 is: 137,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,557.12 : 474,882.72 = 91,919.52 : x
  2. Step 2: Convert to fraction form
    316,557.12/474,882.72 = 91,919.52/x
  3. Step 3: Cross multiply
    316,557.12x = 474,882.72 × 91,919.52
  4. Step 4: Simplify right side
    316,557.12x = 43,650,991,678.69
  5. Step 5: Solve for x
    x = 43,650,991,678.69/316,557.12
  6. Step 6: Final answer
    x = 137,892.94

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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.