Finding the Fourth Proportional to 206,817.70, 310,226.55 and 206,817.70
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Solution
The fourth proportional to 206,817.70, 310,226.55 and 206,817.70 is: 310,226.55
Step by Step Solution
- Step 1: Write the proportion equation
206,817.70 : 310,226.55 = 206,817.70 : x - Step 2: Convert to fraction form
206,817.70/310,226.55 = 206,817.70/x - Step 3: Cross multiply
206,817.70x = 310,226.55 × 206,817.70 - Step 4: Simplify right side
206,817.70x = 64,160,341,549.94 - Step 5: Solve for x
x = 64,160,341,549.94/206,817.70 - Step 6: Final answer
x = 310,226.55
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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.