Finding the Fourth Proportional to 204,776.09, 307,302.53 and 71,657.49
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Solution
The fourth proportional to 204,776.09, 307,302.53 and 71,657.49 is: 107,534.66
Step by Step Solution
- Step 1: Write the proportion equation
204,776.09 : 307,302.53 = 71,657.49 : x - Step 2: Convert to fraction form
204,776.09/307,302.53 = 71,657.49/x - Step 3: Cross multiply
204,776.09x = 307,302.53 × 71,657.49 - Step 4: Simplify right side
204,776.09x = 22,020,527,612.16 - Step 5: Solve for x
x = 22,020,527,612.16/204,776.09 - Step 6: Final answer
x = 107,534.66
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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.