Home / 355,809.24-491,028.39-194,660.58

Finding the Fourth Proportional to 355,809.24, 491,028.39 and 194,660.58

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Solution

The fourth proportional to 355,809.24, 491,028.39 and 194,660.58 is: 268,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,809.24 : 491,028.39 = 194,660.58 : x
  2. Step 2: Convert to fraction form
    355,809.24/491,028.39 = 194,660.58/x
  3. Step 3: Cross multiply
    355,809.24x = 491,028.39 × 194,660.58
  4. Step 4: Simplify right side
    355,809.24x = 95,583,871,193.87
  5. Step 5: Solve for x
    x = 95,583,871,193.87/355,809.24
  6. Step 6: Final answer
    x = 268,637.97

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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.