Home / 281,863.47-422,795.22-243,799.62

Finding the Fourth Proportional to 281,863.47, 422,795.22 and 243,799.62

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Solution

The fourth proportional to 281,863.47, 422,795.22 and 243,799.62 is: 365,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,863.47 : 422,795.22 = 243,799.62 : x
  2. Step 2: Convert to fraction form
    281,863.47/422,795.22 = 243,799.62/x
  3. Step 3: Cross multiply
    281,863.47x = 422,795.22 × 243,799.62
  4. Step 4: Simplify right side
    281,863.47x = 103,077,314,538.00
  5. Step 5: Solve for x
    x = 103,077,314,538.00/281,863.47
  6. Step 6: Final answer
    x = 365,699.44

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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.