Finding the Fourth Proportional to 382,140.20, 573,137.40 and 115,909.40
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Solution
The fourth proportional to 382,140.20, 573,137.40 and 115,909.40 is: 173,841.99
Step by Step Solution
- Step 1: Write the proportion equation
382,140.20 : 573,137.40 = 115,909.40 : x - Step 2: Convert to fraction form
382,140.20/573,137.40 = 115,909.40/x - Step 3: Cross multiply
382,140.20x = 573,137.40 × 115,909.40 - Step 4: Simplify right side
382,140.20x = 66,432,012,151.56 - Step 5: Solve for x
x = 66,432,012,151.56/382,140.20 - Step 6: Final answer
x = 173,841.99
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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.