Home / 309,087.54-463,631.31-168,769.62

Finding the Fourth Proportional to 309,087.54, 463,631.31 and 168,769.62

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Solution

The fourth proportional to 309,087.54, 463,631.31 and 168,769.62 is: 253,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,087.54 : 463,631.31 = 168,769.62 : x
  2. Step 2: Convert to fraction form
    309,087.54/463,631.31 = 168,769.62/x
  3. Step 3: Cross multiply
    309,087.54x = 463,631.31 × 168,769.62
  4. Step 4: Simplify right side
    309,087.54x = 78,246,880,008.80
  5. Step 5: Solve for x
    x = 78,246,880,008.80/309,087.54
  6. Step 6: Final answer
    x = 253,154.43

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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.