Home / 356,028.58-491,315.55-203,062.81

Finding the Fourth Proportional to 356,028.58, 491,315.55 and 203,062.81

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Solution

The fourth proportional to 356,028.58, 491,315.55 and 203,062.81 is: 280,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,028.58 : 491,315.55 = 203,062.81 : x
  2. Step 2: Convert to fraction form
    356,028.58/491,315.55 = 203,062.81/x
  3. Step 3: Cross multiply
    356,028.58x = 491,315.55 × 203,062.81
  4. Step 4: Simplify right side
    356,028.58x = 99,767,916,179.70
  5. Step 5: Solve for x
    x = 99,767,916,179.70/356,028.58
  6. Step 6: Final answer
    x = 280,224.46

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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.