Home / 279,175.06-418,558.46-89,527.49

Finding the Fourth Proportional to 279,175.06, 418,558.46 and 89,527.49

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Solution

The fourth proportional to 279,175.06, 418,558.46 and 89,527.49 is: 134,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,175.06 : 418,558.46 = 89,527.49 : x
  2. Step 2: Convert to fraction form
    279,175.06/418,558.46 = 89,527.49/x
  3. Step 3: Cross multiply
    279,175.06x = 418,558.46 × 89,527.49
  4. Step 4: Simplify right side
    279,175.06x = 37,472,486,949.42
  5. Step 5: Solve for x
    x = 37,472,486,949.42/279,175.06
  6. Step 6: Final answer
    x = 134,225.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.