Home / 279,260.31-385,383.17-151,936.01

Finding the Fourth Proportional to 279,260.31, 385,383.17 and 151,936.01

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Solution

The fourth proportional to 279,260.31, 385,383.17 and 151,936.01 is: 209,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,260.31 : 385,383.17 = 151,936.01 : x
  2. Step 2: Convert to fraction form
    279,260.31/385,383.17 = 151,936.01/x
  3. Step 3: Cross multiply
    279,260.31x = 385,383.17 × 151,936.01
  4. Step 4: Simplify right side
    279,260.31x = 58,553,579,623.88
  5. Step 5: Solve for x
    x = 58,553,579,623.88/279,260.31
  6. Step 6: Final answer
    x = 209,673.83

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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.