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Finding the Fourth Proportional to 328,954.80, 493,629.02 and 302,185.92

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Solution

The fourth proportional to 328,954.80, 493,629.02 and 302,185.92 is: 453,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,954.80 : 493,629.02 = 302,185.92 : x
  2. Step 2: Convert to fraction form
    328,954.80/493,629.02 = 302,185.92/x
  3. Step 3: Cross multiply
    328,954.80x = 493,629.02 × 302,185.92
  4. Step 4: Simplify right side
    328,954.80x = 149,167,741,020.78
  5. Step 5: Solve for x
    x = 149,167,741,020.78/328,954.80
  6. Step 6: Final answer
    x = 453,459.68

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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.