Home / 382,891.45-574,405.58-130,158.66

Finding the Fourth Proportional to 382,891.45, 574,405.58 and 130,158.66

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Solution

The fourth proportional to 382,891.45, 574,405.58 and 130,158.66 is: 195,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,891.45 : 574,405.58 = 130,158.66 : x
  2. Step 2: Convert to fraction form
    382,891.45/574,405.58 = 130,158.66/x
  3. Step 3: Cross multiply
    382,891.45x = 574,405.58 × 130,158.66
  4. Step 4: Simplify right side
    382,891.45x = 74,763,859,938.53
  5. Step 5: Solve for x
    x = 74,763,859,938.53/382,891.45
  6. Step 6: Final answer
    x = 195,261.24

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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.