Home / 328,728.06-493,159.11-148,727.04

Finding the Fourth Proportional to 328,728.06, 493,159.11 and 148,727.04

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Solution

The fourth proportional to 328,728.06, 493,159.11 and 148,727.04 is: 223,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,728.06 : 493,159.11 = 148,727.04 : x
  2. Step 2: Convert to fraction form
    328,728.06/493,159.11 = 148,727.04/x
  3. Step 3: Cross multiply
    328,728.06x = 493,159.11 × 148,727.04
  4. Step 4: Simplify right side
    328,728.06x = 73,346,094,679.33
  5. Step 5: Solve for x
    x = 73,346,094,679.33/328,728.06
  6. Step 6: Final answer
    x = 223,120.88

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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.