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Finding the Fourth Proportional to 382,480.40, 573,720.60 and 341,146.10

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Solution

The fourth proportional to 382,480.40, 573,720.60 and 341,146.10 is: 511,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,480.40 : 573,720.60 = 341,146.10 : x
  2. Step 2: Convert to fraction form
    382,480.40/573,720.60 = 341,146.10/x
  3. Step 3: Cross multiply
    382,480.40x = 573,720.60 × 341,146.10
  4. Step 4: Simplify right side
    382,480.40x = 195,722,545,179.66
  5. Step 5: Solve for x
    x = 195,722,545,179.66/382,480.40
  6. Step 6: Final answer
    x = 511,719.15

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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.