Home / 406,579.69-561,092.27-225,274.65

Finding the Fourth Proportional to 406,579.69, 561,092.27 and 225,274.65

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Solution

The fourth proportional to 406,579.69, 561,092.27 and 225,274.65 is: 310,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,579.69 : 561,092.27 = 225,274.65 : x
  2. Step 2: Convert to fraction form
    406,579.69/561,092.27 = 225,274.65/x
  3. Step 3: Cross multiply
    406,579.69x = 561,092.27 × 225,274.65
  4. Step 4: Simplify right side
    406,579.69x = 126,399,863,615.58
  5. Step 5: Solve for x
    x = 126,399,863,615.58/406,579.69
  6. Step 6: Final answer
    x = 310,885.83

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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.