Home / 248,583.12-343,221.48-153,119.76

Finding the Fourth Proportional to 248,583.12, 343,221.48 and 153,119.76

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Solution

The fourth proportional to 248,583.12, 343,221.48 and 153,119.76 is: 211,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,583.12 : 343,221.48 = 153,119.76 : x
  2. Step 2: Convert to fraction form
    248,583.12/343,221.48 = 153,119.76/x
  3. Step 3: Cross multiply
    248,583.12x = 343,221.48 × 153,119.76
  4. Step 4: Simplify right side
    248,583.12x = 52,553,990,644.44
  5. Step 5: Solve for x
    x = 52,553,990,644.44/248,583.12
  6. Step 6: Final answer
    x = 211,414.16

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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.