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Finding the Fourth Proportional to 232,600.21, 320,964.32 and 130,636.80

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Solution

The fourth proportional to 232,600.21, 320,964.32 and 130,636.80 is: 180,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,600.21 : 320,964.32 = 130,636.80 : x
  2. Step 2: Convert to fraction form
    232,600.21/320,964.32 = 130,636.80/x
  3. Step 3: Cross multiply
    232,600.21x = 320,964.32 × 130,636.80
  4. Step 4: Simplify right side
    232,600.21x = 41,929,752,005.57
  5. Step 5: Solve for x
    x = 41,929,752,005.57/232,600.21
  6. Step 6: Final answer
    x = 180,265.33

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1.5x scale

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.