Home / 370,278.30-510,985.62-200,512.56

Finding the Fourth Proportional to 370,278.30, 510,985.62 and 200,512.56

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Solution

The fourth proportional to 370,278.30, 510,985.62 and 200,512.56 is: 276,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,278.30 : 510,985.62 = 200,512.56 : x
  2. Step 2: Convert to fraction form
    370,278.30/510,985.62 = 200,512.56/x
  3. Step 3: Cross multiply
    370,278.30x = 510,985.62 × 200,512.56
  4. Step 4: Simplify right side
    370,278.30x = 102,459,034,789.39
  5. Step 5: Solve for x
    x = 102,459,034,789.39/370,278.30
  6. Step 6: Final answer
    x = 276,708.18

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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.