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Finding the Fourth Proportional to 296,083.60, 443,995.80 and 118,531.60

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Solution

The fourth proportional to 296,083.60, 443,995.80 and 118,531.60 is: 177,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,083.60 : 443,995.80 = 118,531.60 : x
  2. Step 2: Convert to fraction form
    296,083.60/443,995.80 = 118,531.60/x
  3. Step 3: Cross multiply
    296,083.60x = 443,995.80 × 118,531.60
  4. Step 4: Simplify right side
    296,083.60x = 52,627,532,567.28
  5. Step 5: Solve for x
    x = 52,627,532,567.28/296,083.60
  6. Step 6: Final answer
    x = 177,745.52

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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.