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Finding the Fourth Proportional to 259,645.94, 358,501.22 and 167,819.56

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Solution

The fourth proportional to 259,645.94, 358,501.22 and 167,819.56 is: 231,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,645.94 : 358,501.22 = 167,819.56 : x
  2. Step 2: Convert to fraction form
    259,645.94/358,501.22 = 167,819.56/x
  3. Step 3: Cross multiply
    259,645.94x = 358,501.22 × 167,819.56
  4. Step 4: Simplify right side
    259,645.94x = 60,163,517,714.92
  5. Step 5: Solve for x
    x = 60,163,517,714.92/259,645.94
  6. Step 6: Final answer
    x = 231,713.68

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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.