Home / 231,321.20-346,981.80-178,833.20

Finding the Fourth Proportional to 231,321.20, 346,981.80 and 178,833.20

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Solution

The fourth proportional to 231,321.20, 346,981.80 and 178,833.20 is: 268,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,321.20 : 346,981.80 = 178,833.20 : x
  2. Step 2: Convert to fraction form
    231,321.20/346,981.80 = 178,833.20/x
  3. Step 3: Cross multiply
    231,321.20x = 346,981.80 × 178,833.20
  4. Step 4: Simplify right side
    231,321.20x = 62,051,865,635.76
  5. Step 5: Solve for x
    x = 62,051,865,635.76/231,321.20
  6. Step 6: Final answer
    x = 268,249.80

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1.5x scale

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.