Home / 406,847.45-561,462.77-225,576.25

Finding the Fourth Proportional to 406,847.45, 561,462.77 and 225,576.25

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Solution

The fourth proportional to 406,847.45, 561,462.77 and 225,576.25 is: 311,302.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,847.45 : 561,462.77 = 225,576.25 : x
  2. Step 2: Convert to fraction form
    406,847.45/561,462.77 = 225,576.25/x
  3. Step 3: Cross multiply
    406,847.45x = 561,462.77 × 225,576.25
  4. Step 4: Simplify right side
    406,847.45x = 126,652,662,236.02
  5. Step 5: Solve for x
    x = 126,652,662,236.02/406,847.45
  6. Step 6: Final answer
    x = 311,302.58

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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.