Home / 370,139.20-510,791.52-200,373.28

Finding the Fourth Proportional to 370,139.20, 510,791.52 and 200,373.28

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Solution

The fourth proportional to 370,139.20, 510,791.52 and 200,373.28 is: 276,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,139.20 : 510,791.52 = 200,373.28 : x
  2. Step 2: Convert to fraction form
    370,139.20/510,791.52 = 200,373.28/x
  3. Step 3: Cross multiply
    370,139.20x = 510,791.52 × 200,373.28
  4. Step 4: Simplify right side
    370,139.20x = 102,348,972,258.59
  5. Step 5: Solve for x
    x = 102,348,972,258.59/370,139.20
  6. Step 6: Final answer
    x = 276,514.81

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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.