Home / 328,911.10-493,517.32-178,926.64

Finding the Fourth Proportional to 328,911.10, 493,517.32 and 178,926.64

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Solution

The fourth proportional to 328,911.10, 493,517.32 and 178,926.64 is: 268,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,911.10 : 493,517.32 = 178,926.64 : x
  2. Step 2: Convert to fraction form
    328,911.10/493,517.32 = 178,926.64/x
  3. Step 3: Cross multiply
    328,911.10x = 493,517.32 × 178,926.64
  4. Step 4: Simplify right side
    328,911.10x = 88,303,395,849.40
  5. Step 5: Solve for x
    x = 88,303,395,849.40/328,911.10
  6. Step 6: Final answer
    x = 268,471.92

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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.