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Finding the Fourth Proportional to 223,299.05, 334,943.10 and 54,818.03

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Solution

The fourth proportional to 223,299.05, 334,943.10 and 54,818.03 is: 82,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,299.05 : 334,943.10 = 54,818.03 : x
  2. Step 2: Convert to fraction form
    223,299.05/334,943.10 = 54,818.03/x
  3. Step 3: Cross multiply
    223,299.05x = 334,943.10 × 54,818.03
  4. Step 4: Simplify right side
    223,299.05x = 18,360,921,741.45
  5. Step 5: Solve for x
    x = 18,360,921,741.45/223,299.05
  6. Step 6: Final answer
    x = 82,225.71

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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.