Home / 406,865.27-561,473.08-225,572.56

Finding the Fourth Proportional to 406,865.27, 561,473.08 and 225,572.56

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Solution

The fourth proportional to 406,865.27, 561,473.08 and 225,572.56 is: 311,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,865.27 : 561,473.08 = 225,572.56 : x
  2. Step 2: Convert to fraction form
    406,865.27/561,473.08 = 225,572.56/x
  3. Step 3: Cross multiply
    406,865.27x = 561,473.08 × 225,572.56
  4. Step 4: Simplify right side
    406,865.27x = 126,652,918,059.07
  5. Step 5: Solve for x
    x = 126,652,918,059.07/406,865.27
  6. Step 6: Final answer
    x = 311,289.58

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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.