Finding the Fourth Proportional to 217,953.32, 326,796.23 and 84,677.99
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Solution
The fourth proportional to 217,953.32, 326,796.23 and 84,677.99 is: 126,965.02
Step by Step Solution
- Step 1: Write the proportion equation
217,953.32 : 326,796.23 = 84,677.99 : x - Step 2: Convert to fraction form
217,953.32/326,796.23 = 84,677.99/x - Step 3: Cross multiply
217,953.32x = 326,796.23 × 84,677.99 - Step 4: Simplify right side
217,953.32x = 27,672,446,473.69 - Step 5: Solve for x
x = 27,672,446,473.69/217,953.32 - Step 6: Final answer
x = 126,965.02
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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.