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Finding the Fourth Proportional to 248,351.40, 372,604.86 and 159,705

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Solution

The fourth proportional to 248,351.40, 372,604.86 and 159,705 is: 239,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,351.40 : 372,604.86 = 159,705 : x
  2. Step 2: Convert to fraction form
    248,351.40/372,604.86 = 159,705/x
  3. Step 3: Cross multiply
    248,351.40x = 372,604.86 × 159,705
  4. Step 4: Simplify right side
    248,351.40x = 59,506,859,166.30
  5. Step 5: Solve for x
    x = 59,506,859,166.30/248,351.40
  6. Step 6: Final answer
    x = 239,607.50

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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.