Finding the Fourth Proportional to 135,248.88, 202,891.80 and 56,344.68
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Solution
The fourth proportional to 135,248.88, 202,891.80 and 56,344.68 is: 84,524.72
Step by Step Solution
- Step 1: Write the proportion equation
135,248.88 : 202,891.80 = 56,344.68 : x - Step 2: Convert to fraction form
135,248.88/202,891.80 = 56,344.68/x - Step 3: Cross multiply
135,248.88x = 202,891.80 × 56,344.68 - Step 4: Simplify right side
135,248.88x = 11,431,873,545.62 - Step 5: Solve for x
x = 11,431,873,545.62/135,248.88 - Step 6: Final answer
x = 84,524.72
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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.