Home / 439,839.24-659,715.11-203,178.50

Finding the Fourth Proportional to 439,839.24, 659,715.11 and 203,178.50

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Solution

The fourth proportional to 439,839.24, 659,715.11 and 203,178.50 is: 304,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,839.24 : 659,715.11 = 203,178.50 : x
  2. Step 2: Convert to fraction form
    439,839.24/659,715.11 = 203,178.50/x
  3. Step 3: Cross multiply
    439,839.24x = 659,715.11 × 203,178.50
  4. Step 4: Simplify right side
    439,839.24x = 134,039,926,477.14
  5. Step 5: Solve for x
    x = 134,039,926,477.14/439,839.24
  6. Step 6: Final answer
    x = 304,747.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.