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Finding the Fourth Proportional to 240,695.16, 332,162.82 and 138,664.32

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Solution

The fourth proportional to 240,695.16, 332,162.82 and 138,664.32 is: 191,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,695.16 : 332,162.82 = 138,664.32 : x
  2. Step 2: Convert to fraction form
    240,695.16/332,162.82 = 138,664.32/x
  3. Step 3: Cross multiply
    240,695.16x = 332,162.82 × 138,664.32
  4. Step 4: Simplify right side
    240,695.16x = 46,059,131,564.58
  5. Step 5: Solve for x
    x = 46,059,131,564.58/240,695.16
  6. Step 6: Final answer
    x = 191,358.78

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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.