Home / 646,031.08-968,972.80-172,753.34

Finding the Fourth Proportional to 646,031.08, 968,972.80 and 172,753.34

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Solution

The fourth proportional to 646,031.08, 968,972.80 and 172,753.34 is: 259,110.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,031.08 : 968,972.80 = 172,753.34 : x
  2. Step 2: Convert to fraction form
    646,031.08/968,972.80 = 172,753.34/x
  3. Step 3: Cross multiply
    646,031.08x = 968,972.80 × 172,753.34
  4. Step 4: Simplify right side
    646,031.08x = 167,393,287,569.15
  5. Step 5: Solve for x
    x = 167,393,287,569.15/646,031.08
  6. Step 6: Final answer
    x = 259,110.27

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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.