Finding the Fourth Proportional to 211,042.62, 316,734.62 and 163,545.08
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Solution
The fourth proportional to 211,042.62, 316,734.62 and 163,545.08 is: 245,449.88
Step by Step Solution
- Step 1: Write the proportion equation
211,042.62 : 316,734.62 = 163,545.08 : x - Step 2: Convert to fraction form
211,042.62/316,734.62 = 163,545.08/x - Step 3: Cross multiply
211,042.62x = 316,734.62 × 163,545.08 - Step 4: Simplify right side
211,042.62x = 51,800,386,365.27 - Step 5: Solve for x
x = 51,800,386,365.27/211,042.62 - Step 6: Final answer
x = 245,449.88
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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.