Finding the Fourth Proportional to 345,812.18, 477,211.30 and 192,855.02
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Solution
The fourth proportional to 345,812.18, 477,211.30 and 192,855.02 is: 266,134.62
Step by Step Solution
- Step 1: Write the proportion equation
345,812.18 : 477,211.30 = 192,855.02 : x - Step 2: Convert to fraction form
345,812.18/477,211.30 = 192,855.02/x - Step 3: Cross multiply
345,812.18x = 477,211.30 × 192,855.02 - Step 4: Simplify right side
345,812.18x = 92,032,591,937.53 - Step 5: Solve for x
x = 92,032,591,937.53/345,812.18 - Step 6: Final answer
x = 266,134.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.