Home / 382,962.85-574,447.40-130,300.76

Finding the Fourth Proportional to 382,962.85, 574,447.40 and 130,300.76

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Solution

The fourth proportional to 382,962.85, 574,447.40 and 130,300.76 is: 195,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,962.85 : 574,447.40 = 130,300.76 : x
  2. Step 2: Convert to fraction form
    382,962.85/574,447.40 = 130,300.76/x
  3. Step 3: Cross multiply
    382,962.85x = 574,447.40 × 130,300.76
  4. Step 4: Simplify right side
    382,962.85x = 74,850,932,800.02
  5. Step 5: Solve for x
    x = 74,850,932,800.02/382,962.85
  6. Step 6: Final answer
    x = 195,452.20

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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.