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Finding the Fourth Proportional to 270,763.32, 406,407.42 and 130,620.36

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Solution

The fourth proportional to 270,763.32, 406,407.42 and 130,620.36 is: 196,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,763.32 : 406,407.42 = 130,620.36 : x
  2. Step 2: Convert to fraction form
    270,763.32/406,407.42 = 130,620.36/x
  3. Step 3: Cross multiply
    270,763.32x = 406,407.42 × 130,620.36
  4. Step 4: Simplify right side
    270,763.32x = 53,085,083,507.07
  5. Step 5: Solve for x
    x = 53,085,083,507.07/270,763.32
  6. Step 6: Final answer
    x = 196,057.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.