Home / 229,416.78-343,991.25-89,011.38

Finding the Fourth Proportional to 229,416.78, 343,991.25 and 89,011.38

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Solution

The fourth proportional to 229,416.78, 343,991.25 and 89,011.38 is: 133,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,416.78 : 343,991.25 = 89,011.38 : x
  2. Step 2: Convert to fraction form
    229,416.78/343,991.25 = 89,011.38/x
  3. Step 3: Cross multiply
    229,416.78x = 343,991.25 × 89,011.38
  4. Step 4: Simplify right side
    229,416.78x = 30,619,135,870.43
  5. Step 5: Solve for x
    x = 30,619,135,870.43/229,416.78
  6. Step 6: Final answer
    x = 133,465.11

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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.