Home / 409,208.92-613,897.54-172,552.28

Finding the Fourth Proportional to 409,208.92, 613,897.54 and 172,552.28

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Solution

The fourth proportional to 409,208.92, 613,897.54 and 172,552.28 is: 258,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,208.92 : 613,897.54 = 172,552.28 : x
  2. Step 2: Convert to fraction form
    409,208.92/613,897.54 = 172,552.28/x
  3. Step 3: Cross multiply
    409,208.92x = 613,897.54 × 172,552.28
  4. Step 4: Simplify right side
    409,208.92x = 105,929,420,213.39
  5. Step 5: Solve for x
    x = 105,929,420,213.39/409,208.92
  6. Step 6: Final answer
    x = 258,863.91

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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.