Home / 311,034.02-466,529.13-121,458.78

Finding the Fourth Proportional to 311,034.02, 466,529.13 and 121,458.78

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Solution

The fourth proportional to 311,034.02, 466,529.13 and 121,458.78 is: 182,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,034.02 : 466,529.13 = 121,458.78 : x
  2. Step 2: Convert to fraction form
    311,034.02/466,529.13 = 121,458.78/x
  3. Step 3: Cross multiply
    311,034.02x = 466,529.13 × 121,458.78
  4. Step 4: Simplify right side
    311,034.02x = 56,664,058,964.26
  5. Step 5: Solve for x
    x = 56,664,058,964.26/311,034.02
  6. Step 6: Final answer
    x = 182,179.62

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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.