Home / 360,146.25-496,999.80-199,001.34

Finding the Fourth Proportional to 360,146.25, 496,999.80 and 199,001.34

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Solution

The fourth proportional to 360,146.25, 496,999.80 and 199,001.34 is: 274,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,146.25 : 496,999.80 = 199,001.34 : x
  2. Step 2: Convert to fraction form
    360,146.25/496,999.80 = 199,001.34/x
  3. Step 3: Cross multiply
    360,146.25x = 496,999.80 × 199,001.34
  4. Step 4: Simplify right side
    360,146.25x = 98,903,626,179.73
  5. Step 5: Solve for x
    x = 98,903,626,179.73/360,146.25
  6. Step 6: Final answer
    x = 274,620.73

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.