Home / 395,173.46-592,786.57-138,975.29

Finding the Fourth Proportional to 395,173.46, 592,786.57 and 138,975.29

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Solution

The fourth proportional to 395,173.46, 592,786.57 and 138,975.29 is: 208,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,173.46 : 592,786.57 = 138,975.29 : x
  2. Step 2: Convert to fraction form
    395,173.46/592,786.57 = 138,975.29/x
  3. Step 3: Cross multiply
    395,173.46x = 592,786.57 × 138,975.29
  4. Step 4: Simplify right side
    395,173.46x = 82,382,682,162.48
  5. Step 5: Solve for x
    x = 82,382,682,162.48/395,173.46
  6. Step 6: Final answer
    x = 208,472.20

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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.