Finding the Fourth Proportional to 314,526.75, 471,396.41 and 247,702.96
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Solution
The fourth proportional to 314,526.75, 471,396.41 and 247,702.96 is: 371,244.38
Step by Step Solution
- Step 1: Write the proportion equation
314,526.75 : 471,396.41 = 247,702.96 : x - Step 2: Convert to fraction form
314,526.75/471,396.41 = 247,702.96/x - Step 3: Cross multiply
314,526.75x = 471,396.41 × 247,702.96 - Step 4: Simplify right side
314,526.75x = 116,766,286,369.99 - Step 5: Solve for x
x = 116,766,286,369.99/314,526.75 - Step 6: Final answer
x = 371,244.38
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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.