Home / 308,867.42-426,241.57-177,972.91

Finding the Fourth Proportional to 308,867.42, 426,241.57 and 177,972.91

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Solution

The fourth proportional to 308,867.42, 426,241.57 and 177,972.91 is: 245,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,867.42 : 426,241.57 = 177,972.91 : x
  2. Step 2: Convert to fraction form
    308,867.42/426,241.57 = 177,972.91/x
  3. Step 3: Cross multiply
    308,867.42x = 426,241.57 × 177,972.91
  4. Step 4: Simplify right side
    308,867.42x = 75,859,451,497.89
  5. Step 5: Solve for x
    x = 75,859,451,497.89/308,867.42
  6. Step 6: Final answer
    x = 245,605.23

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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.