Home / 406,839.42-561,471.66-225,608.19

Finding the Fourth Proportional to 406,839.42, 561,471.66 and 225,608.19

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Solution

The fourth proportional to 406,839.42, 561,471.66 and 225,608.19 is: 311,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,839.42 : 561,471.66 = 225,608.19 : x
  2. Step 2: Convert to fraction form
    406,839.42/561,471.66 = 225,608.19/x
  3. Step 3: Cross multiply
    406,839.42x = 561,471.66 × 225,608.19
  4. Step 4: Simplify right side
    406,839.42x = 126,672,604,948.90
  5. Step 5: Solve for x
    x = 126,672,604,948.90/406,839.42
  6. Step 6: Final answer
    x = 311,357.75

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1.5x scale

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.