Home / 279,949.62-386,336.50-152,626.08

Finding the Fourth Proportional to 279,949.62, 386,336.50 and 152,626.08

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Solution

The fourth proportional to 279,949.62, 386,336.50 and 152,626.08 is: 210,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,949.62 : 386,336.50 = 152,626.08 : x
  2. Step 2: Convert to fraction form
    279,949.62/386,336.50 = 152,626.08/x
  3. Step 3: Cross multiply
    279,949.62x = 386,336.50 × 152,626.08
  4. Step 4: Simplify right side
    279,949.62x = 58,965,025,555.92
  5. Step 5: Solve for x
    x = 58,965,025,555.92/279,949.62
  6. Step 6: Final answer
    x = 210,627.27

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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.