Home / 283,629.89-391,285.25-203,028.01

Finding the Fourth Proportional to 283,629.89, 391,285.25 and 203,028.01

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Solution

The fourth proportional to 283,629.89, 391,285.25 and 203,028.01 is: 280,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,629.89 : 391,285.25 = 203,028.01 : x
  2. Step 2: Convert to fraction form
    283,629.89/391,285.25 = 203,028.01/x
  3. Step 3: Cross multiply
    283,629.89x = 391,285.25 × 203,028.01
  4. Step 4: Simplify right side
    283,629.89x = 79,441,864,417.85
  5. Step 5: Solve for x
    x = 79,441,864,417.85/283,629.89
  6. Step 6: Final answer
    x = 280,089.89

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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.