Home / 345,204.76-517,829.48-108,556.60

Finding the Fourth Proportional to 345,204.76, 517,829.48 and 108,556.60

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Solution

The fourth proportional to 345,204.76, 517,829.48 and 108,556.60 is: 162,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,204.76 : 517,829.48 = 108,556.60 : x
  2. Step 2: Convert to fraction form
    345,204.76/517,829.48 = 108,556.60/x
  3. Step 3: Cross multiply
    345,204.76x = 517,829.48 × 108,556.60
  4. Step 4: Simplify right side
    345,204.76x = 56,213,807,728.57
  5. Step 5: Solve for x
    x = 56,213,807,728.57/345,204.76
  6. Step 6: Final answer
    x = 162,841.93

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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.