Home / 276,934.20-382,171.62-156,052.35

Finding the Fourth Proportional to 276,934.20, 382,171.62 and 156,052.35

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Solution

The fourth proportional to 276,934.20, 382,171.62 and 156,052.35 is: 215,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,934.20 : 382,171.62 = 156,052.35 : x
  2. Step 2: Convert to fraction form
    276,934.20/382,171.62 = 156,052.35/x
  3. Step 3: Cross multiply
    276,934.20x = 382,171.62 × 156,052.35
  4. Step 4: Simplify right side
    276,934.20x = 59,638,779,404.31
  5. Step 5: Solve for x
    x = 59,638,779,404.31/276,934.20
  6. Step 6: Final answer
    x = 215,353.61

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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.