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Finding the Fourth Proportional to 163,586.70, 245,380.05 and 154,401.30

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Solution

The fourth proportional to 163,586.70, 245,380.05 and 154,401.30 is: 231,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,586.70 : 245,380.05 = 154,401.30 : x
  2. Step 2: Convert to fraction form
    163,586.70/245,380.05 = 154,401.30/x
  3. Step 3: Cross multiply
    163,586.70x = 245,380.05 × 154,401.30
  4. Step 4: Simplify right side
    163,586.70x = 37,886,998,714.07
  5. Step 5: Solve for x
    x = 37,886,998,714.07/163,586.70
  6. Step 6: Final answer
    x = 231,601.95

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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.