Home / 308,619.81-425,723.85-179,543.79

Finding the Fourth Proportional to 308,619.81, 425,723.85 and 179,543.79

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Solution

The fourth proportional to 308,619.81, 425,723.85 and 179,543.79 is: 247,670.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,619.81 : 425,723.85 = 179,543.79 : x
  2. Step 2: Convert to fraction form
    308,619.81/425,723.85 = 179,543.79/x
  3. Step 3: Cross multiply
    308,619.81x = 425,723.85 × 179,543.79
  4. Step 4: Simplify right side
    308,619.81x = 76,436,073,522.39
  5. Step 5: Solve for x
    x = 76,436,073,522.39/308,619.81
  6. Step 6: Final answer
    x = 247,670.66

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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.