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Finding the Fourth Proportional to 254,574.80, 381,862.20 and 166,001.30

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Solution

The fourth proportional to 254,574.80, 381,862.20 and 166,001.30 is: 249,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,574.80 : 381,862.20 = 166,001.30 : x
  2. Step 2: Convert to fraction form
    254,574.80/381,862.20 = 166,001.30/x
  3. Step 3: Cross multiply
    254,574.80x = 381,862.20 × 166,001.30
  4. Step 4: Simplify right side
    254,574.80x = 63,389,621,620.86
  5. Step 5: Solve for x
    x = 63,389,621,620.86/254,574.80
  6. Step 6: Final answer
    x = 249,001.95

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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.