Home / 276,910.20-382,147.30-156,056.58

Finding the Fourth Proportional to 276,910.20, 382,147.30 and 156,056.58

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Solution

The fourth proportional to 276,910.20, 382,147.30 and 156,056.58 is: 215,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,910.20 : 382,147.30 = 156,056.58 : x
  2. Step 2: Convert to fraction form
    276,910.20/382,147.30 = 156,056.58/x
  3. Step 3: Cross multiply
    276,910.20x = 382,147.30 × 156,056.58
  4. Step 4: Simplify right side
    276,910.20x = 59,636,600,694.23
  5. Step 5: Solve for x
    x = 59,636,600,694.23/276,910.20
  6. Step 6: Final answer
    x = 215,364.41

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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.