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Finding the Fourth Proportional to 306,606, 423,052.56 and 179,256.96

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Solution

The fourth proportional to 306,606, 423,052.56 and 179,256.96 is: 247,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,606 : 423,052.56 = 179,256.96 : x
  2. Step 2: Convert to fraction form
    306,606/423,052.56 = 179,256.96/x
  3. Step 3: Cross multiply
    306,606x = 423,052.56 × 179,256.96
  4. Step 4: Simplify right side
    306,606x = 75,835,115,825.82
  5. Step 5: Solve for x
    x = 75,835,115,825.82/306,606
  6. Step 6: Final answer
    x = 247,337.35

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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.