Home / 372,789.71-514,464.36-211,659.75

Finding the Fourth Proportional to 372,789.71, 514,464.36 and 211,659.75

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Solution

The fourth proportional to 372,789.71, 514,464.36 and 211,659.75 is: 292,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,789.71 : 514,464.36 = 211,659.75 : x
  2. Step 2: Convert to fraction form
    372,789.71/514,464.36 = 211,659.75/x
  3. Step 3: Cross multiply
    372,789.71x = 514,464.36 × 211,659.75
  4. Step 4: Simplify right side
    372,789.71x = 108,891,398,218.37
  5. Step 5: Solve for x
    x = 108,891,398,218.37/372,789.71
  6. Step 6: Final answer
    x = 292,098.72

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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.