Home / 644,299.32-966,373.92-171,021.46

Finding the Fourth Proportional to 644,299.32, 966,373.92 and 171,021.46

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Solution

The fourth proportional to 644,299.32, 966,373.92 and 171,021.46 is: 256,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,299.32 : 966,373.92 = 171,021.46 : x
  2. Step 2: Convert to fraction form
    644,299.32/966,373.92 = 171,021.46/x
  3. Step 3: Cross multiply
    644,299.32x = 966,373.92 × 171,021.46
  4. Step 4: Simplify right side
    644,299.32x = 165,270,678,704.32
  5. Step 5: Solve for x
    x = 165,270,678,704.32/644,299.32
  6. Step 6: Final answer
    x = 256,512.27

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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.