Home / 646,019.20-968,954.86-172,741.46

Finding the Fourth Proportional to 646,019.20, 968,954.86 and 172,741.46

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Solution

The fourth proportional to 646,019.20, 968,954.86 and 172,741.46 is: 259,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,019.20 : 968,954.86 = 172,741.46 : x
  2. Step 2: Convert to fraction form
    646,019.20/968,954.86 = 172,741.46/x
  3. Step 3: Cross multiply
    646,019.20x = 968,954.86 × 172,741.46
  4. Step 4: Simplify right side
    646,019.20x = 167,378,679,927.48
  5. Step 5: Solve for x
    x = 167,378,679,927.48/646,019.20
  6. Step 6: Final answer
    x = 259,092.42

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Similar ratio
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1.5x scale

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.