Home / 448,972.80-619,596.90-255,375.56

Finding the Fourth Proportional to 448,972.80, 619,596.90 and 255,375.56

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Solution

The fourth proportional to 448,972.80, 619,596.90 and 255,375.56 is: 352,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,972.80 : 619,596.90 = 255,375.56 : x
  2. Step 2: Convert to fraction form
    448,972.80/619,596.90 = 255,375.56/x
  3. Step 3: Cross multiply
    448,972.80x = 619,596.90 × 255,375.56
  4. Step 4: Simplify right side
    448,972.80x = 158,229,902,213.78
  5. Step 5: Solve for x
    x = 158,229,902,213.78/448,972.80
  6. Step 6: Final answer
    x = 352,426.48

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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.