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Finding the Fourth Proportional to 532,840.90, 799,830.32 and 229,385.25

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Solution

The fourth proportional to 532,840.90, 799,830.32 and 229,385.25 is: 344,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,840.90 : 799,830.32 = 229,385.25 : x
  2. Step 2: Convert to fraction form
    532,840.90/799,830.32 = 229,385.25/x
  3. Step 3: Cross multiply
    532,840.90x = 799,830.32 × 229,385.25
  4. Step 4: Simplify right side
    532,840.90x = 183,469,277,910.78
  5. Step 5: Solve for x
    x = 183,469,277,910.78/532,840.90
  6. Step 6: Final answer
    x = 344,322.81

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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.