Finding the Fourth Proportional to 84,221.82, 126,332.37 and 34,290.09
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Solution
The fourth proportional to 84,221.82, 126,332.37 and 34,290.09 is: 51,434.99
Step by Step Solution
- Step 1: Write the proportion equation
84,221.82 : 126,332.37 = 34,290.09 : x - Step 2: Convert to fraction form
84,221.82/126,332.37 = 34,290.09/x - Step 3: Cross multiply
84,221.82x = 126,332.37 × 34,290.09 - Step 4: Simplify right side
84,221.82x = 4,331,948,337.21 - Step 5: Solve for x
x = 4,331,948,337.21/84,221.82 - Step 6: Final answer
x = 51,434.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.