Home / 422,864.31-583,859.00-272,223.75

Finding the Fourth Proportional to 422,864.31, 583,859.00 and 272,223.75

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Solution

The fourth proportional to 422,864.31, 583,859.00 and 272,223.75 is: 375,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,864.31 : 583,859.00 = 272,223.75 : x
  2. Step 2: Convert to fraction form
    422,864.31/583,859.00 = 272,223.75/x
  3. Step 3: Cross multiply
    422,864.31x = 583,859.00 × 272,223.75
  4. Step 4: Simplify right side
    422,864.31x = 158,940,285,090.13
  5. Step 5: Solve for x
    x = 158,940,285,090.13/422,864.31
  6. Step 6: Final answer
    x = 375,865.93

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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.