Finding the Fourth Proportional to 217,249.24, 299,803.26 and 126,658.84
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Solution
The fourth proportional to 217,249.24, 299,803.26 and 126,658.84 is: 174,788.80
Step by Step Solution
- Step 1: Write the proportion equation
217,249.24 : 299,803.26 = 126,658.84 : x - Step 2: Convert to fraction form
217,249.24/299,803.26 = 126,658.84/x - Step 3: Cross multiply
217,249.24x = 299,803.26 × 126,658.84 - Step 4: Simplify right side
217,249.24x = 37,972,733,139.82 - Step 5: Solve for x
x = 37,972,733,139.82/217,249.24 - Step 6: Final answer
x = 174,788.80
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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.