Finding the Fourth Proportional to 379,468.48, 523,621.92 and 209,692.48
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Solution
The fourth proportional to 379,468.48, 523,621.92 and 209,692.48 is: 289,350.99
Step by Step Solution
- Step 1: Write the proportion equation
379,468.48 : 523,621.92 = 209,692.48 : x - Step 2: Convert to fraction form
379,468.48/523,621.92 = 209,692.48/x - Step 3: Cross multiply
379,468.48x = 523,621.92 × 209,692.48 - Step 4: Simplify right side
379,468.48x = 109,799,578,987.16 - Step 5: Solve for x
x = 109,799,578,987.16/379,468.48 - Step 6: Final answer
x = 289,350.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.