Home / 328,935.20-493,062.60-178,858.40

Finding the Fourth Proportional to 328,935.20, 493,062.60 and 178,858.40

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Solution

The fourth proportional to 328,935.20, 493,062.60 and 178,858.40 is: 268,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,935.20 : 493,062.60 = 178,858.40 : x
  2. Step 2: Convert to fraction form
    328,935.20/493,062.60 = 178,858.40/x
  3. Step 3: Cross multiply
    328,935.20x = 493,062.60 × 178,858.40
  4. Step 4: Simplify right side
    328,935.20x = 88,188,387,735.84
  5. Step 5: Solve for x
    x = 88,188,387,735.84/328,935.20
  6. Step 6: Final answer
    x = 268,102.62

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1.5x scale

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.