Finding the Fourth Proportional to 212,488.62, 318,658.62 and 62,689.14
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Solution
The fourth proportional to 212,488.62, 318,658.62 and 62,689.14 is: 94,011.79
Step by Step Solution
- Step 1: Write the proportion equation
212,488.62 : 318,658.62 = 62,689.14 : x - Step 2: Convert to fraction form
212,488.62/318,658.62 = 62,689.14/x - Step 3: Cross multiply
212,488.62x = 318,658.62 × 62,689.14 - Step 4: Simplify right side
212,488.62x = 19,976,434,841.39 - Step 5: Solve for x
x = 19,976,434,841.39/212,488.62 - Step 6: Final answer
x = 94,011.79
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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.