Home / 383,968.40-576,125.40-134,829.20

Finding the Fourth Proportional to 383,968.40, 576,125.40 and 134,829.20

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Solution

The fourth proportional to 383,968.40, 576,125.40 and 134,829.20 is: 202,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,968.40 : 576,125.40 = 134,829.20 : x
  2. Step 2: Convert to fraction form
    383,968.40/576,125.40 = 134,829.20/x
  3. Step 3: Cross multiply
    383,968.40x = 576,125.40 × 134,829.20
  4. Step 4: Simplify right side
    383,968.40x = 77,678,526,781.68
  5. Step 5: Solve for x
    x = 77,678,526,781.68/383,968.40
  6. Step 6: Final answer
    x = 202,304.48

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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.