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Finding the Fourth Proportional to 230,256.92, 343,696.57 and 213,371.51

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Solution

The fourth proportional to 230,256.92, 343,696.57 and 213,371.51 is: 318,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,256.92 : 343,696.57 = 213,371.51 : x
  2. Step 2: Convert to fraction form
    230,256.92/343,696.57 = 213,371.51/x
  3. Step 3: Cross multiply
    230,256.92x = 343,696.57 × 213,371.51
  4. Step 4: Simplify right side
    230,256.92x = 73,335,056,122.72
  5. Step 5: Solve for x
    x = 73,335,056,122.72/230,256.92
  6. Step 6: Final answer
    x = 318,492.30

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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.