Home / 209,713.28-314,546.38-57,931.94

Finding the Fourth Proportional to 209,713.28, 314,546.38 and 57,931.94

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Solution

The fourth proportional to 209,713.28, 314,546.38 and 57,931.94 is: 86,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,713.28 : 314,546.38 = 57,931.94 : x
  2. Step 2: Convert to fraction form
    209,713.28/314,546.38 = 57,931.94/x
  3. Step 3: Cross multiply
    209,713.28x = 314,546.38 × 57,931.94
  4. Step 4: Simplify right side
    209,713.28x = 18,222,282,654.91
  5. Step 5: Solve for x
    x = 18,222,282,654.91/209,713.28
  6. Step 6: Final answer
    x = 86,891.41

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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.