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Finding the Fourth Proportional to 379,689.88, 569,253.72 and 229,894.96

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Solution

The fourth proportional to 379,689.88, 569,253.72 and 229,894.96 is: 344,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,689.88 : 569,253.72 = 229,894.96 : x
  2. Step 2: Convert to fraction form
    379,689.88/569,253.72 = 229,894.96/x
  3. Step 3: Cross multiply
    379,689.88x = 569,253.72 × 229,894.96
  4. Step 4: Simplify right side
    379,689.88x = 130,868,561,189.25
  5. Step 5: Solve for x
    x = 130,868,561,189.25/379,689.88
  6. Step 6: Final answer
    x = 344,672.24

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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.