Finding the Fourth Proportional to 236,647.65, 326,587.05 and 129,227.70
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Solution
The fourth proportional to 236,647.65, 326,587.05 and 129,227.70 is: 178,341.48
Step by Step Solution
- Step 1: Write the proportion equation
236,647.65 : 326,587.05 = 129,227.70 : x - Step 2: Convert to fraction form
236,647.65/326,587.05 = 129,227.70/x - Step 3: Cross multiply
236,647.65x = 326,587.05 × 129,227.70 - Step 4: Simplify right side
236,647.65x = 42,204,093,321.29 - Step 5: Solve for x
x = 42,204,093,321.29/236,647.65 - Step 6: Final answer
x = 178,341.48
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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.