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Finding the Fourth Proportional to 335,010.99, 502,610.29 and 135,471.50

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Solution

The fourth proportional to 335,010.99, 502,610.29 and 135,471.50 is: 203,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,010.99 : 502,610.29 = 135,471.50 : x
  2. Step 2: Convert to fraction form
    335,010.99/502,610.29 = 135,471.50/x
  3. Step 3: Cross multiply
    335,010.99x = 502,610.29 × 135,471.50
  4. Step 4: Simplify right side
    335,010.99x = 68,089,371,952.48
  5. Step 5: Solve for x
    x = 68,089,371,952.48/335,010.99
  6. Step 6: Final answer
    x = 203,245.19

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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.