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Finding the Fourth Proportional to 265,620, 366,560.88 and 144,760.80

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Solution

The fourth proportional to 265,620, 366,560.88 and 144,760.80 is: 199,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,620 : 366,560.88 = 144,760.80 : x
  2. Step 2: Convert to fraction form
    265,620/366,560.88 = 144,760.80/x
  3. Step 3: Cross multiply
    265,620x = 366,560.88 × 144,760.80
  4. Step 4: Simplify right side
    265,620x = 53,063,646,237.50
  5. Step 5: Solve for x
    x = 53,063,646,237.50/265,620
  6. Step 6: Final answer
    x = 199,772.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.