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Finding the Fourth Proportional to 328,150.05, 492,240.71 and 159,469.41

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Solution

The fourth proportional to 328,150.05, 492,240.71 and 159,469.41 is: 239,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,150.05 : 492,240.71 = 159,469.41 : x
  2. Step 2: Convert to fraction form
    328,150.05/492,240.71 = 159,469.41/x
  3. Step 3: Cross multiply
    328,150.05x = 492,240.71 × 159,469.41
  4. Step 4: Simplify right side
    328,150.05x = 78,497,338,528.74
  5. Step 5: Solve for x
    x = 78,497,338,528.74/328,150.05
  6. Step 6: Final answer
    x = 239,211.72

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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.