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Finding the Fourth Proportional to 421,850.12, 632,578.32 and 244,407.89

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Solution

The fourth proportional to 421,850.12, 632,578.32 and 244,407.89 is: 366,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,850.12 : 632,578.32 = 244,407.89 : x
  2. Step 2: Convert to fraction form
    421,850.12/632,578.32 = 244,407.89/x
  3. Step 3: Cross multiply
    421,850.12x = 632,578.32 × 244,407.89
  4. Step 4: Simplify right side
    421,850.12x = 154,607,132,450.95
  5. Step 5: Solve for x
    x = 154,607,132,450.95/421,850.12
  6. Step 6: Final answer
    x = 366,497.78

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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.