Home / 349,436.28-481,032.03-258,621.11

Finding the Fourth Proportional to 349,436.28, 481,032.03 and 258,621.11

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Solution

The fourth proportional to 349,436.28, 481,032.03 and 258,621.11 is: 356,016.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,436.28 : 481,032.03 = 258,621.11 : x
  2. Step 2: Convert to fraction form
    349,436.28/481,032.03 = 258,621.11/x
  3. Step 3: Cross multiply
    349,436.28x = 481,032.03 × 258,621.11
  4. Step 4: Simplify right side
    349,436.28x = 124,405,037,912.69
  5. Step 5: Solve for x
    x = 124,405,037,912.69/349,436.28
  6. Step 6: Final answer
    x = 356,016.37

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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.