Home / 382,962.40-574,469.20-130,239.20

Finding the Fourth Proportional to 382,962.40, 574,469.20 and 130,239.20

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Solution

The fourth proportional to 382,962.40, 574,469.20 and 130,239.20 is: 195,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,962.40 : 574,469.20 = 130,239.20 : x
  2. Step 2: Convert to fraction form
    382,962.40/574,469.20 = 130,239.20/x
  3. Step 3: Cross multiply
    382,962.40x = 574,469.20 × 130,239.20
  4. Step 4: Simplify right side
    382,962.40x = 74,818,409,032.64
  5. Step 5: Solve for x
    x = 74,818,409,032.64/382,962.40
  6. Step 6: Final answer
    x = 195,367.51

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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.