Home / 720,150.29-1,080,225.79-187,669.97

Finding the Fourth Proportional to 720,150.29, 1,080,225.79 and 187,669.97

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Solution

The fourth proportional to 720,150.29, 1,080,225.79 and 187,669.97 is: 281,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,150.29 : 1,080,225.79 = 187,669.97 : x
  2. Step 2: Convert to fraction form
    720,150.29/1,080,225.79 = 187,669.97/x
  3. Step 3: Cross multiply
    720,150.29x = 1,080,225.79 × 187,669.97
  4. Step 4: Simplify right side
    720,150.29x = 202,725,935,732.22
  5. Step 5: Solve for x
    x = 202,725,935,732.22/720,150.29
  6. Step 6: Final answer
    x = 281,505.04

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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.