Home / 370,479.20-511,263.76-200,713.33

Finding the Fourth Proportional to 370,479.20, 511,263.76 and 200,713.33

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Solution

The fourth proportional to 370,479.20, 511,263.76 and 200,713.33 is: 276,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,479.20 : 511,263.76 = 200,713.33 : x
  2. Step 2: Convert to fraction form
    370,479.20/511,263.76 = 200,713.33/x
  3. Step 3: Cross multiply
    370,479.20x = 511,263.76 × 200,713.33
  4. Step 4: Simplify right side
    370,479.20x = 102,617,449,997.98
  5. Step 5: Solve for x
    x = 102,617,449,997.98/370,479.20
  6. Step 6: Final answer
    x = 276,985.72

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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.