Home / 213,247.95-319,872.33-55,476.15

Finding the Fourth Proportional to 213,247.95, 319,872.33 and 55,476.15

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Solution

The fourth proportional to 213,247.95, 319,872.33 and 55,476.15 is: 83,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,247.95 : 319,872.33 = 55,476.15 : x
  2. Step 2: Convert to fraction form
    213,247.95/319,872.33 = 55,476.15/x
  3. Step 3: Cross multiply
    213,247.95x = 319,872.33 × 55,476.15
  4. Step 4: Simplify right side
    213,247.95x = 17,745,285,359.93
  5. Step 5: Solve for x
    x = 17,745,285,359.93/213,247.95
  6. Step 6: Final answer
    x = 83,214.33

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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.