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Finding the Fourth Proportional to 248,960.79, 343,594.91 and 141,546.89

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Solution

The fourth proportional to 248,960.79, 343,594.91 and 141,546.89 is: 195,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,960.79 : 343,594.91 = 141,546.89 : x
  2. Step 2: Convert to fraction form
    248,960.79/343,594.91 = 141,546.89/x
  3. Step 3: Cross multiply
    248,960.79x = 343,594.91 × 141,546.89
  4. Step 4: Simplify right side
    248,960.79x = 48,634,792,143.18
  5. Step 5: Solve for x
    x = 48,634,792,143.18/248,960.79
  6. Step 6: Final answer
    x = 195,351.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.