Home / 237,947.15-356,219.52-208,422.65

Finding the Fourth Proportional to 237,947.15, 356,219.52 and 208,422.65

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Solution

The fourth proportional to 237,947.15, 356,219.52 and 208,422.65 is: 312,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,947.15 : 356,219.52 = 208,422.65 : x
  2. Step 2: Convert to fraction form
    237,947.15/356,219.52 = 208,422.65/x
  3. Step 3: Cross multiply
    237,947.15x = 356,219.52 × 208,422.65
  4. Step 4: Simplify right side
    237,947.15x = 74,244,216,340.13
  5. Step 5: Solve for x
    x = 74,244,216,340.13/237,947.15
  6. Step 6: Final answer
    x = 312,019.78

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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.