Home / 248,921.55-343,542.60-152,105.49

Finding the Fourth Proportional to 248,921.55, 343,542.60 and 152,105.49

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Solution

The fourth proportional to 248,921.55, 343,542.60 and 152,105.49 is: 209,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,921.55 : 343,542.60 = 152,105.49 : x
  2. Step 2: Convert to fraction form
    248,921.55/343,542.60 = 152,105.49/x
  3. Step 3: Cross multiply
    248,921.55x = 343,542.60 × 152,105.49
  4. Step 4: Simplify right side
    248,921.55x = 52,254,715,508.87
  5. Step 5: Solve for x
    x = 52,254,715,508.87/248,921.55
  6. Step 6: Final answer
    x = 209,924.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.