Home / 330,517.66-456,077.28-187,247.02

Finding the Fourth Proportional to 330,517.66, 456,077.28 and 187,247.02

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Solution

The fourth proportional to 330,517.66, 456,077.28 and 187,247.02 is: 258,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,517.66 : 456,077.28 = 187,247.02 : x
  2. Step 2: Convert to fraction form
    330,517.66/456,077.28 = 187,247.02/x
  3. Step 3: Cross multiply
    330,517.66x = 456,077.28 × 187,247.02
  4. Step 4: Simplify right side
    330,517.66x = 85,399,111,569.71
  5. Step 5: Solve for x
    x = 85,399,111,569.71/330,517.66
  6. Step 6: Final answer
    x = 258,379.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.