Home / 251,142.40-377,005.20-144,611.20

Finding the Fourth Proportional to 251,142.40, 377,005.20 and 144,611.20

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Solution

The fourth proportional to 251,142.40, 377,005.20 and 144,611.20 is: 217,084.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,142.40 : 377,005.20 = 144,611.20 : x
  2. Step 2: Convert to fraction form
    251,142.40/377,005.20 = 144,611.20/x
  3. Step 3: Cross multiply
    251,142.40x = 377,005.20 × 144,611.20
  4. Step 4: Simplify right side
    251,142.40x = 54,519,174,378.24
  5. Step 5: Solve for x
    x = 54,519,174,378.24/251,142.40
  6. Step 6: Final answer
    x = 217,084.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.