Home / 276,964.40-382,211.04-149,639.96

Finding the Fourth Proportional to 276,964.40, 382,211.04 and 149,639.96

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Solution

The fourth proportional to 276,964.40, 382,211.04 and 149,639.96 is: 206,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,964.40 : 382,211.04 = 149,639.96 : x
  2. Step 2: Convert to fraction form
    276,964.40/382,211.04 = 149,639.96/x
  3. Step 3: Cross multiply
    276,964.40x = 382,211.04 × 149,639.96
  4. Step 4: Simplify right side
    276,964.40x = 57,194,044,737.16
  5. Step 5: Solve for x
    x = 57,194,044,737.16/276,964.40
  6. Step 6: Final answer
    x = 206,503.24

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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.