Home / 356,712.27-492,249.87-195,563.79

Finding the Fourth Proportional to 356,712.27, 492,249.87 and 195,563.79

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Solution

The fourth proportional to 356,712.27, 492,249.87 and 195,563.79 is: 269,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,712.27 : 492,249.87 = 195,563.79 : x
  2. Step 2: Convert to fraction form
    356,712.27/492,249.87 = 195,563.79/x
  3. Step 3: Cross multiply
    356,712.27x = 492,249.87 × 195,563.79
  4. Step 4: Simplify right side
    356,712.27x = 96,266,250,204.21
  5. Step 5: Solve for x
    x = 96,266,250,204.21/356,712.27
  6. Step 6: Final answer
    x = 269,870.87

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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.