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Finding the Fourth Proportional to 199,279, 274,983.06 and 118,695.52

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Solution

The fourth proportional to 199,279, 274,983.06 and 118,695.52 is: 163,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,279 : 274,983.06 = 118,695.52 : x
  2. Step 2: Convert to fraction form
    199,279/274,983.06 = 118,695.52/x
  3. Step 3: Cross multiply
    199,279x = 274,983.06 × 118,695.52
  4. Step 4: Simplify right side
    199,279x = 32,639,257,297.89
  5. Step 5: Solve for x
    x = 32,639,257,297.89/199,279
  6. Step 6: Final answer
    x = 163,786.74

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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.