Home / 229,062.90-343,853.55-135,621.30

Finding the Fourth Proportional to 229,062.90, 343,853.55 and 135,621.30

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Solution

The fourth proportional to 229,062.90, 343,853.55 and 135,621.30 is: 203,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,062.90 : 343,853.55 = 135,621.30 : x
  2. Step 2: Convert to fraction form
    229,062.90/343,853.55 = 135,621.30/x
  3. Step 3: Cross multiply
    229,062.90x = 343,853.55 × 135,621.30
  4. Step 4: Simplify right side
    229,062.90x = 46,633,865,460.62
  5. Step 5: Solve for x
    x = 46,633,865,460.62/229,062.90
  6. Step 6: Final answer
    x = 203,585.41

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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.