Home / 331,277.60-496,916.40-109,632.80

Finding the Fourth Proportional to 331,277.60, 496,916.40 and 109,632.80

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Solution

The fourth proportional to 331,277.60, 496,916.40 and 109,632.80 is: 164,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,277.60 : 496,916.40 = 109,632.80 : x
  2. Step 2: Convert to fraction form
    331,277.60/496,916.40 = 109,632.80/x
  3. Step 3: Cross multiply
    331,277.60x = 496,916.40 × 109,632.80
  4. Step 4: Simplify right side
    331,277.60x = 54,478,336,297.92
  5. Step 5: Solve for x
    x = 54,478,336,297.92/331,277.60
  6. Step 6: Final answer
    x = 164,449.20

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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.