Home / 418,890.02-578,082.62-227,910.65

Finding the Fourth Proportional to 418,890.02, 578,082.62 and 227,910.65

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Solution

The fourth proportional to 418,890.02, 578,082.62 and 227,910.65 is: 314,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,890.02 : 578,082.62 = 227,910.65 : x
  2. Step 2: Convert to fraction form
    418,890.02/578,082.62 = 227,910.65/x
  3. Step 3: Cross multiply
    418,890.02x = 578,082.62 × 227,910.65
  4. Step 4: Simplify right side
    418,890.02x = 131,751,183,357.27
  5. Step 5: Solve for x
    x = 131,751,183,357.27/418,890.02
  6. Step 6: Final answer
    x = 314,524.53

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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.