Finding the Fourth Proportional to 667,530.72, 1,000,963.44 and 218,193.12
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Solution
The fourth proportional to 667,530.72, 1,000,963.44 and 218,193.12 is: 327,180.95
Step by Step Solution
- Step 1: Write the proportion equation
667,530.72 : 1,000,963.44 = 218,193.12 : x - Step 2: Convert to fraction form
667,530.72/1,000,963.44 = 218,193.12/x - Step 3: Cross multiply
667,530.72x = 1,000,963.44 × 218,193.12 - Step 4: Simplify right side
667,530.72x = 218,403,335,979.53 - Step 5: Solve for x
x = 218,403,335,979.53/667,530.72 - Step 6: Final answer
x = 327,180.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.