Home / 406,834.44-561,464.68-225,603.20

Finding the Fourth Proportional to 406,834.44, 561,464.68 and 225,603.20

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Solution

The fourth proportional to 406,834.44, 561,464.68 and 225,603.20 is: 311,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,834.44 : 561,464.68 = 225,603.20 : x
  2. Step 2: Convert to fraction form
    406,834.44/561,464.68 = 225,603.20/x
  3. Step 3: Cross multiply
    406,834.44x = 561,464.68 × 225,603.20
  4. Step 4: Simplify right side
    406,834.44x = 126,668,228,494.98
  5. Step 5: Solve for x
    x = 126,668,228,494.98/406,834.44
  6. Step 6: Final answer
    x = 311,350.80

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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.