Home / 292,451.22-438,851.61-268,656.66

Finding the Fourth Proportional to 292,451.22, 438,851.61 and 268,656.66

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Solution

The fourth proportional to 292,451.22, 438,851.61 and 268,656.66 is: 403,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,451.22 : 438,851.61 = 268,656.66 : x
  2. Step 2: Convert to fraction form
    292,451.22/438,851.61 = 268,656.66/x
  3. Step 3: Cross multiply
    292,451.22x = 438,851.61 × 268,656.66
  4. Step 4: Simplify right side
    292,451.22x = 117,900,407,778.22
  5. Step 5: Solve for x
    x = 117,900,407,778.22/292,451.22
  6. Step 6: Final answer
    x = 403,145.55

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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.