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Finding the Fourth Proportional to 272,730.34, 408,958.62 and 158,914.96

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Solution

The fourth proportional to 272,730.34, 408,958.62 and 158,914.96 is: 238,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,730.34 : 408,958.62 = 158,914.96 : x
  2. Step 2: Convert to fraction form
    272,730.34/408,958.62 = 158,914.96/x
  3. Step 3: Cross multiply
    272,730.34x = 408,958.62 × 158,914.96
  4. Step 4: Simplify right side
    272,730.34x = 64,989,642,738.96
  5. Step 5: Solve for x
    x = 64,989,642,738.96/272,730.34
  6. Step 6: Final answer
    x = 238,292.68

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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.