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Finding the Fourth Proportional to 900,225.60, 1,350,489.60 and 269,203.20

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Solution

The fourth proportional to 900,225.60, 1,350,489.60 and 269,203.20 is: 403,850.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,225.60 : 1,350,489.60 = 269,203.20 : x
  2. Step 2: Convert to fraction form
    900,225.60/1,350,489.60 = 269,203.20/x
  3. Step 3: Cross multiply
    900,225.60x = 1,350,489.60 × 269,203.20
  4. Step 4: Simplify right side
    900,225.60x = 363,556,121,886.72
  5. Step 5: Solve for x
    x = 363,556,121,886.72/900,225.60
  6. Step 6: Final answer
    x = 403,850.01

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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.