Home / 352,616.75-528,962.03-115,977.88

Finding the Fourth Proportional to 352,616.75, 528,962.03 and 115,977.88

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Solution

The fourth proportional to 352,616.75, 528,962.03 and 115,977.88 is: 173,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,616.75 : 528,962.03 = 115,977.88 : x
  2. Step 2: Convert to fraction form
    352,616.75/528,962.03 = 115,977.88/x
  3. Step 3: Cross multiply
    352,616.75x = 528,962.03 × 115,977.88
  4. Step 4: Simplify right side
    352,616.75x = 61,347,894,839.90
  5. Step 5: Solve for x
    x = 61,347,894,839.90/352,616.75
  6. Step 6: Final answer
    x = 173,978.96

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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.