Finding the Fourth Proportional to 206,776.40, 310,206.11 and 94,426.44
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Solution
The fourth proportional to 206,776.40, 310,206.11 and 94,426.44 is: 141,658.62
Step by Step Solution
- Step 1: Write the proportion equation
206,776.40 : 310,206.11 = 94,426.44 : x - Step 2: Convert to fraction form
206,776.40/310,206.11 = 94,426.44/x - Step 3: Cross multiply
206,776.40x = 310,206.11 × 94,426.44 - Step 4: Simplify right side
206,776.40x = 29,291,658,743.05 - Step 5: Solve for x
x = 29,291,658,743.05/206,776.40 - Step 6: Final answer
x = 141,658.62
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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.