Home / 231,382.40-346,490.40-152,067.20

Finding the Fourth Proportional to 231,382.40, 346,490.40 and 152,067.20

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Solution

The fourth proportional to 231,382.40, 346,490.40 and 152,067.20 is: 227,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,382.40 : 346,490.40 = 152,067.20 : x
  2. Step 2: Convert to fraction form
    231,382.40/346,490.40 = 152,067.20/x
  3. Step 3: Cross multiply
    231,382.40x = 346,490.40 × 152,067.20
  4. Step 4: Simplify right side
    231,382.40x = 52,689,824,954.88
  5. Step 5: Solve for x
    x = 52,689,824,954.88/231,382.40
  6. Step 6: Final answer
    x = 227,717.51

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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.