Finding the Fourth Proportional to 191,182.70, 286,781.35 and 71,269.49
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Solution
The fourth proportional to 191,182.70, 286,781.35 and 71,269.49 is: 106,906.96
Step by Step Solution
- Step 1: Write the proportion equation
191,182.70 : 286,781.35 = 71,269.49 : x - Step 2: Convert to fraction form
191,182.70/286,781.35 = 71,269.49/x - Step 3: Cross multiply
191,182.70x = 286,781.35 × 71,269.49 - Step 4: Simplify right side
191,182.70x = 20,438,760,556.01 - Step 5: Solve for x
x = 20,438,760,556.01/191,182.70 - Step 6: Final answer
x = 106,906.96
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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.