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Finding the Fourth Proportional to 338,677.14, 508,320.26 and 181,040.34

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Solution

The fourth proportional to 338,677.14, 508,320.26 and 181,040.34 is: 271,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,677.14 : 508,320.26 = 181,040.34 : x
  2. Step 2: Convert to fraction form
    338,677.14/508,320.26 = 181,040.34/x
  3. Step 3: Cross multiply
    338,677.14x = 508,320.26 × 181,040.34
  4. Step 4: Simplify right side
    338,677.14x = 92,026,472,699.29
  5. Step 5: Solve for x
    x = 92,026,472,699.29/338,677.14
  6. Step 6: Final answer
    x = 271,723.31

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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.