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Finding the Fourth Proportional to 335,072.78, 502,602.26 and 110,446.70

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Solution

The fourth proportional to 335,072.78, 502,602.26 and 110,446.70 is: 165,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,072.78 : 502,602.26 = 110,446.70 : x
  2. Step 2: Convert to fraction form
    335,072.78/502,602.26 = 110,446.70/x
  3. Step 3: Cross multiply
    335,072.78x = 502,602.26 × 110,446.70
  4. Step 4: Simplify right side
    335,072.78x = 55,510,761,029.54
  5. Step 5: Solve for x
    x = 55,510,761,029.54/335,072.78
  6. Step 6: Final answer
    x = 165,667.77

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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.