Home / 356,431.05-533,998.58-282,040.65

Finding the Fourth Proportional to 356,431.05, 533,998.58 and 282,040.65

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Solution

The fourth proportional to 356,431.05, 533,998.58 and 282,040.65 is: 422,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,431.05 : 533,998.58 = 282,040.65 : x
  2. Step 2: Convert to fraction form
    356,431.05/533,998.58 = 282,040.65/x
  3. Step 3: Cross multiply
    356,431.05x = 533,998.58 × 282,040.65
  4. Step 4: Simplify right side
    356,431.05x = 150,609,305,192.07
  5. Step 5: Solve for x
    x = 150,609,305,192.07/356,431.05
  6. Step 6: Final answer
    x = 422,548.22

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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.