Home / 255,380.64-382,942.80-148,799.04

Finding the Fourth Proportional to 255,380.64, 382,942.80 and 148,799.04

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Solution

The fourth proportional to 255,380.64, 382,942.80 and 148,799.04 is: 223,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,380.64 : 382,942.80 = 148,799.04 : x
  2. Step 2: Convert to fraction form
    255,380.64/382,942.80 = 148,799.04/x
  3. Step 3: Cross multiply
    255,380.64x = 382,942.80 × 148,799.04
  4. Step 4: Simplify right side
    255,380.64x = 56,981,521,014.91
  5. Step 5: Solve for x
    x = 56,981,521,014.91/255,380.64
  6. Step 6: Final answer
    x = 223,123.89

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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.