Home / 247,970.77-371,660.91-172,683.29

Finding the Fourth Proportional to 247,970.77, 371,660.91 and 172,683.29

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Solution

The fourth proportional to 247,970.77, 371,660.91 and 172,683.29 is: 258,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,970.77 : 371,660.91 = 172,683.29 : x
  2. Step 2: Convert to fraction form
    247,970.77/371,660.91 = 172,683.29/x
  3. Step 3: Cross multiply
    247,970.77x = 371,660.91 × 172,683.29
  4. Step 4: Simplify right side
    247,970.77x = 64,179,628,984.78
  5. Step 5: Solve for x
    x = 64,179,628,984.78/247,970.77
  6. Step 6: Final answer
    x = 258,819.33

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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.