Finding the Fourth Proportional to 217,110.80, 325,723.80 and 76,854.80
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Solution
The fourth proportional to 217,110.80, 325,723.80 and 76,854.80 is: 115,302.59
Step by Step Solution
- Step 1: Write the proportion equation
217,110.80 : 325,723.80 = 76,854.80 : x - Step 2: Convert to fraction form
217,110.80/325,723.80 = 76,854.80/x - Step 3: Cross multiply
217,110.80x = 325,723.80 × 76,854.80 - Step 4: Simplify right side
217,110.80x = 25,033,437,504.24 - Step 5: Solve for x
x = 25,033,437,504.24/217,110.80 - Step 6: Final answer
x = 115,302.59
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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.