Home / 370,447.20-511,217.04-200,681.28

Finding the Fourth Proportional to 370,447.20, 511,217.04 and 200,681.28

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Solution

The fourth proportional to 370,447.20, 511,217.04 and 200,681.28 is: 276,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,447.20 : 511,217.04 = 200,681.28 : x
  2. Step 2: Convert to fraction form
    370,447.20/511,217.04 = 200,681.28/x
  3. Step 3: Cross multiply
    370,447.20x = 511,217.04 × 200,681.28
  4. Step 4: Simplify right side
    370,447.20x = 102,591,689,945.01
  5. Step 5: Solve for x
    x = 102,591,689,945.01/370,447.20
  6. Step 6: Final answer
    x = 276,940.11

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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.