Home / 331,781.06-457,727.90-204,235.22

Finding the Fourth Proportional to 331,781.06, 457,727.90 and 204,235.22

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Solution

The fourth proportional to 331,781.06, 457,727.90 and 204,235.22 is: 281,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,781.06 : 457,727.90 = 204,235.22 : x
  2. Step 2: Convert to fraction form
    331,781.06/457,727.90 = 204,235.22/x
  3. Step 3: Cross multiply
    331,781.06x = 457,727.90 × 204,235.22
  4. Step 4: Simplify right side
    331,781.06x = 93,484,158,479.78
  5. Step 5: Solve for x
    x = 93,484,158,479.78/331,781.06
  6. Step 6: Final answer
    x = 281,764.60

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1.5x scale

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.