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Finding the Fourth Proportional to 345,204.40, 517,806.60 and 95,886.40

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Solution

The fourth proportional to 345,204.40, 517,806.60 and 95,886.40 is: 143,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,204.40 : 517,806.60 = 95,886.40 : x
  2. Step 2: Convert to fraction form
    345,204.40/517,806.60 = 95,886.40/x
  3. Step 3: Cross multiply
    345,204.40x = 517,806.60 × 95,886.40
  4. Step 4: Simplify right side
    345,204.40x = 49,650,610,770.24
  5. Step 5: Solve for x
    x = 49,650,610,770.24/345,204.40
  6. Step 6: Final answer
    x = 143,829.60

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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.