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Finding the Fourth Proportional to 489,024.55, 733,458.12 and 133,955.56

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Solution

The fourth proportional to 489,024.55, 733,458.12 and 133,955.56 is: 200,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,024.55 : 733,458.12 = 133,955.56 : x
  2. Step 2: Convert to fraction form
    489,024.55/733,458.12 = 133,955.56/x
  3. Step 3: Cross multiply
    489,024.55x = 733,458.12 × 133,955.56
  4. Step 4: Simplify right side
    489,024.55x = 98,250,793,201.15
  5. Step 5: Solve for x
    x = 98,250,793,201.15/489,024.55
  6. Step 6: Final answer
    x = 200,911.78

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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.