Home / 213,047.14-319,266.10-156,443.17

Finding the Fourth Proportional to 213,047.14, 319,266.10 and 156,443.17

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Solution

The fourth proportional to 213,047.14, 319,266.10 and 156,443.17 is: 234,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,047.14 : 319,266.10 = 156,443.17 : x
  2. Step 2: Convert to fraction form
    213,047.14/319,266.10 = 156,443.17/x
  3. Step 3: Cross multiply
    213,047.14x = 319,266.10 × 156,443.17
  4. Step 4: Simplify right side
    213,047.14x = 49,947,000,757.54
  5. Step 5: Solve for x
    x = 49,947,000,757.54/213,047.14
  6. Step 6: Final answer
    x = 234,441.08

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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.