Home / 380,841.66-571,147.20-114,531.48

Finding the Fourth Proportional to 380,841.66, 571,147.20 and 114,531.48

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Solution

The fourth proportional to 380,841.66, 571,147.20 and 114,531.48 is: 171,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,841.66 : 571,147.20 = 114,531.48 : x
  2. Step 2: Convert to fraction form
    380,841.66/571,147.20 = 114,531.48/x
  3. Step 3: Cross multiply
    380,841.66x = 571,147.20 × 114,531.48
  4. Step 4: Simplify right side
    380,841.66x = 65,414,334,113.86
  5. Step 5: Solve for x
    x = 65,414,334,113.86/380,841.66
  6. Step 6: Final answer
    x = 171,762.55

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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.