Home / 254,851.20-382,568.40-149,729.40

Finding the Fourth Proportional to 254,851.20, 382,568.40 and 149,729.40

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Solution

The fourth proportional to 254,851.20, 382,568.40 and 149,729.40 is: 224,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,851.20 : 382,568.40 = 149,729.40 : x
  2. Step 2: Convert to fraction form
    254,851.20/382,568.40 = 149,729.40/x
  3. Step 3: Cross multiply
    254,851.20x = 382,568.40 × 149,729.40
  4. Step 4: Simplify right side
    254,851.20x = 57,281,736,990.96
  5. Step 5: Solve for x
    x = 57,281,736,990.96/254,851.20
  6. Step 6: Final answer
    x = 224,765.42

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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.