Home / 397,743.55-548,898.55-225,668.77

Finding the Fourth Proportional to 397,743.55, 548,898.55 and 225,668.77

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Solution

The fourth proportional to 397,743.55, 548,898.55 and 225,668.77 is: 311,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,743.55 : 548,898.55 = 225,668.77 : x
  2. Step 2: Convert to fraction form
    397,743.55/548,898.55 = 225,668.77/x
  3. Step 3: Cross multiply
    397,743.55x = 548,898.55 × 225,668.77
  4. Step 4: Simplify right side
    397,743.55x = 123,869,257,888.79
  5. Step 5: Solve for x
    x = 123,869,257,888.79/397,743.55
  6. Step 6: Final answer
    x = 311,429.96

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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.