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Finding the Fourth Proportional to 234,624.62, 323,697.12 and 154,095.78

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Solution

The fourth proportional to 234,624.62, 323,697.12 and 154,095.78 is: 212,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,624.62 : 323,697.12 = 154,095.78 : x
  2. Step 2: Convert to fraction form
    234,624.62/323,697.12 = 154,095.78/x
  3. Step 3: Cross multiply
    234,624.62x = 323,697.12 × 154,095.78
  4. Step 4: Simplify right side
    234,624.62x = 49,880,360,190.15
  5. Step 5: Solve for x
    x = 49,880,360,190.15/234,624.62
  6. Step 6: Final answer
    x = 212,596.45

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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.