Home / 243,869.82-336,553.43-136,433.45

Finding the Fourth Proportional to 243,869.82, 336,553.43 and 136,433.45

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Solution

The fourth proportional to 243,869.82, 336,553.43 and 136,433.45 is: 188,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,869.82 : 336,553.43 = 136,433.45 : x
  2. Step 2: Convert to fraction form
    243,869.82/336,553.43 = 136,433.45/x
  3. Step 3: Cross multiply
    243,869.82x = 336,553.43 × 136,433.45
  4. Step 4: Simplify right side
    243,869.82x = 45,917,143,199.30
  5. Step 5: Solve for x
    x = 45,917,143,199.30/243,869.82
  6. Step 6: Final answer
    x = 188,285.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.