Home / 276,913.60-382,140.52-149,589.16

Finding the Fourth Proportional to 276,913.60, 382,140.52 and 149,589.16

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Solution

The fourth proportional to 276,913.60, 382,140.52 and 149,589.16 is: 206,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,913.60 : 382,140.52 = 149,589.16 : x
  2. Step 2: Convert to fraction form
    276,913.60/382,140.52 = 149,589.16/x
  3. Step 3: Cross multiply
    276,913.60x = 382,140.52 × 149,589.16
  4. Step 4: Simplify right side
    276,913.60x = 57,164,079,388.76
  5. Step 5: Solve for x
    x = 57,164,079,388.76/276,913.60
  6. Step 6: Final answer
    x = 206,432.91

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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.