Home / 276,918.30-382,148.73-156,061.44

Finding the Fourth Proportional to 276,918.30, 382,148.73 and 156,061.44

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Solution

The fourth proportional to 276,918.30, 382,148.73 and 156,061.44 is: 215,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,918.30 : 382,148.73 = 156,061.44 : x
  2. Step 2: Convert to fraction form
    276,918.30/382,148.73 = 156,061.44/x
  3. Step 3: Cross multiply
    276,918.30x = 382,148.73 × 156,061.44
  4. Step 4: Simplify right side
    276,918.30x = 59,638,681,097.97
  5. Step 5: Solve for x
    x = 59,638,681,097.97/276,918.30
  6. Step 6: Final answer
    x = 215,365.62

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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.