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Finding the Fourth Proportional to 230,255.92, 343,695.08 and 213,370.51

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Solution

The fourth proportional to 230,255.92, 343,695.08 and 213,370.51 is: 318,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,255.92 : 343,695.08 = 213,370.51 : x
  2. Step 2: Convert to fraction form
    230,255.92/343,695.08 = 213,370.51/x
  3. Step 3: Cross multiply
    230,255.92x = 343,695.08 × 213,370.51
  4. Step 4: Simplify right side
    230,255.92x = 73,334,394,504.09
  5. Step 5: Solve for x
    x = 73,334,394,504.09/230,255.92
  6. Step 6: Final answer
    x = 318,490.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.