Home / 371,864.01-512,997.05-269,665.28

Finding the Fourth Proportional to 371,864.01, 512,997.05 and 269,665.28

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Solution

The fourth proportional to 371,864.01, 512,997.05 and 269,665.28 is: 372,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,864.01 : 512,997.05 = 269,665.28 : x
  2. Step 2: Convert to fraction form
    371,864.01/512,997.05 = 269,665.28/x
  3. Step 3: Cross multiply
    371,864.01x = 512,997.05 × 269,665.28
  4. Step 4: Simplify right side
    371,864.01x = 138,337,489,214.11
  5. Step 5: Solve for x
    x = 138,337,489,214.11/371,864.01
  6. Step 6: Final answer
    x = 372,010.97

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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.