Finding the Fourth Proportional to 306,221.70, 422,609.52 and 170,266.98
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Solution
The fourth proportional to 306,221.70, 422,609.52 and 170,266.98 is: 234,981.54
Step by Step Solution
- Step 1: Write the proportion equation
306,221.70 : 422,609.52 = 170,266.98 : x - Step 2: Convert to fraction form
306,221.70/422,609.52 = 170,266.98/x - Step 3: Cross multiply
306,221.70x = 422,609.52 × 170,266.98 - Step 4: Simplify right side
306,221.70x = 71,956,446,689.65 - Step 5: Solve for x
x = 71,956,446,689.65/306,221.70 - Step 6: Final answer
x = 234,981.54
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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.