Home / 327,576.73-491,364.93-90,919.35

Finding the Fourth Proportional to 327,576.73, 491,364.93 and 90,919.35

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Solution

The fourth proportional to 327,576.73, 491,364.93 and 90,919.35 is: 136,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,576.73 : 491,364.93 = 90,919.35 : x
  2. Step 2: Convert to fraction form
    327,576.73/491,364.93 = 90,919.35/x
  3. Step 3: Cross multiply
    327,576.73x = 491,364.93 × 90,919.35
  4. Step 4: Simplify right side
    327,576.73x = 44,674,580,048.40
  5. Step 5: Solve for x
    x = 44,674,580,048.40/327,576.73
  6. Step 6: Final answer
    x = 136,378.98

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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.