Home / 330,132.87-455,585.27-194,172.57

Finding the Fourth Proportional to 330,132.87, 455,585.27 and 194,172.57

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Solution

The fourth proportional to 330,132.87, 455,585.27 and 194,172.57 is: 267,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,132.87 : 455,585.27 = 194,172.57 : x
  2. Step 2: Convert to fraction form
    330,132.87/455,585.27 = 194,172.57/x
  3. Step 3: Cross multiply
    330,132.87x = 455,585.27 × 194,172.57
  4. Step 4: Simplify right side
    330,132.87x = 88,462,161,759.18
  5. Step 5: Solve for x
    x = 88,462,161,759.18/330,132.87
  6. Step 6: Final answer
    x = 267,959.27

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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.