Home / 488,761.28-733,141.36-133,778.24

Finding the Fourth Proportional to 488,761.28, 733,141.36 and 133,778.24

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Solution

The fourth proportional to 488,761.28, 733,141.36 and 133,778.24 is: 200,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,761.28 : 733,141.36 = 133,778.24 : x
  2. Step 2: Convert to fraction form
    488,761.28/733,141.36 = 133,778.24/x
  3. Step 3: Cross multiply
    488,761.28x = 733,141.36 × 133,778.24
  4. Step 4: Simplify right side
    488,761.28x = 98,078,360,812.01
  5. Step 5: Solve for x
    x = 98,078,360,812.01/488,761.28
  6. Step 6: Final answer
    x = 200,667.21

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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.