Home / 308,839.62-426,203.03-177,944.93

Finding the Fourth Proportional to 308,839.62, 426,203.03 and 177,944.93

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Solution

The fourth proportional to 308,839.62, 426,203.03 and 177,944.93 is: 245,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,839.62 : 426,203.03 = 177,944.93 : x
  2. Step 2: Convert to fraction form
    308,839.62/426,203.03 = 177,944.93/x
  3. Step 3: Cross multiply
    308,839.62x = 426,203.03 × 177,944.93
  4. Step 4: Simplify right side
    308,839.62x = 75,840,669,647.70
  5. Step 5: Solve for x
    x = 75,840,669,647.70/308,839.62
  6. Step 6: Final answer
    x = 245,566.52

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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.