Home / 276,817.12-382,007.62-149,492.72

Finding the Fourth Proportional to 276,817.12, 382,007.62 and 149,492.72

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Solution

The fourth proportional to 276,817.12, 382,007.62 and 149,492.72 is: 206,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,817.12 : 382,007.62 = 149,492.72 : x
  2. Step 2: Convert to fraction form
    276,817.12/382,007.62 = 149,492.72/x
  3. Step 3: Cross multiply
    276,817.12x = 382,007.62 × 149,492.72
  4. Step 4: Simplify right side
    276,817.12x = 57,107,358,174.53
  5. Step 5: Solve for x
    x = 57,107,358,174.53/276,817.12
  6. Step 6: Final answer
    x = 206,299.95

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1.5x scale

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.