Home / 214,948.71-322,471.35-72,785.81

Finding the Fourth Proportional to 214,948.71, 322,471.35 and 72,785.81

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Solution

The fourth proportional to 214,948.71, 322,471.35 and 72,785.81 is: 109,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,948.71 : 322,471.35 = 72,785.81 : x
  2. Step 2: Convert to fraction form
    214,948.71/322,471.35 = 72,785.81/x
  3. Step 3: Cross multiply
    214,948.71x = 322,471.35 × 72,785.81
  4. Step 4: Simplify right side
    214,948.71x = 23,471,336,799.19
  5. Step 5: Solve for x
    x = 23,471,336,799.19/214,948.71
  6. Step 6: Final answer
    x = 109,195.06

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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.