Home / 276,871.84-382,091.07-156,006.47

Finding the Fourth Proportional to 276,871.84, 382,091.07 and 156,006.47

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Solution

The fourth proportional to 276,871.84, 382,091.07 and 156,006.47 is: 215,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,871.84 : 382,091.07 = 156,006.47 : x
  2. Step 2: Convert to fraction form
    276,871.84/382,091.07 = 156,006.47/x
  3. Step 3: Cross multiply
    276,871.84x = 382,091.07 × 156,006.47
  4. Step 4: Simplify right side
    276,871.84x = 59,608,680,589.47
  5. Step 5: Solve for x
    x = 59,608,680,589.47/276,871.84
  6. Step 6: Final answer
    x = 215,293.40

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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.