Finding the Fourth Proportional to 306,348.08, 422,757.98 and 168,524.03
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Solution
The fourth proportional to 306,348.08, 422,757.98 and 168,524.03 is: 232,561.85
Step by Step Solution
- Step 1: Write the proportion equation
306,348.08 : 422,757.98 = 168,524.03 : x - Step 2: Convert to fraction form
306,348.08/422,757.98 = 168,524.03/x - Step 3: Cross multiply
306,348.08x = 422,757.98 × 168,524.03 - Step 4: Simplify right side
306,348.08x = 71,244,875,547.85 - Step 5: Solve for x
x = 71,244,875,547.85/306,348.08 - Step 6: Final answer
x = 232,561.85
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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.