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Finding the Fourth Proportional to 466,283.20, 699,425.88 and 199,870.96

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Solution

The fourth proportional to 466,283.20, 699,425.88 and 199,870.96 is: 299,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,283.20 : 699,425.88 = 199,870.96 : x
  2. Step 2: Convert to fraction form
    466,283.20/699,425.88 = 199,870.96/x
  3. Step 3: Cross multiply
    466,283.20x = 699,425.88 × 199,870.96
  4. Step 4: Simplify right side
    466,283.20x = 139,794,922,084.45
  5. Step 5: Solve for x
    x = 139,794,922,084.45/466,283.20
  6. Step 6: Final answer
    x = 299,806.90

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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.