Finding the Fourth Proportional to 382,290.92, 573,214.97 and 129,486.68
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Solution
The fourth proportional to 382,290.92, 573,214.97 and 129,486.68 is: 194,155.02
Step by Step Solution
- Step 1: Write the proportion equation
382,290.92 : 573,214.97 = 129,486.68 : x - Step 2: Convert to fraction form
382,290.92/573,214.97 = 129,486.68/x - Step 3: Cross multiply
382,290.92x = 573,214.97 × 129,486.68 - Step 4: Simplify right side
382,290.92x = 74,223,700,849.24 - Step 5: Solve for x
x = 74,223,700,849.24/382,290.92 - Step 6: Final answer
x = 194,155.02
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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.