Home / 154,490.70-231,736.05-151,866.30

Finding the Fourth Proportional to 154,490.70, 231,736.05 and 151,866.30

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Solution

The fourth proportional to 154,490.70, 231,736.05 and 151,866.30 is: 227,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,490.70 : 231,736.05 = 151,866.30 : x
  2. Step 2: Convert to fraction form
    154,490.70/231,736.05 = 151,866.30/x
  3. Step 3: Cross multiply
    154,490.70x = 231,736.05 × 151,866.30
  4. Step 4: Simplify right side
    154,490.70x = 35,192,896,490.12
  5. Step 5: Solve for x
    x = 35,192,896,490.12/154,490.70
  6. Step 6: Final answer
    x = 227,799.45

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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.