Finding the Fourth Proportional to 204,669.77, 305,565.57 and 156,385.68
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Solution
The fourth proportional to 204,669.77, 305,565.57 and 156,385.68 is: 233,478.94
Step by Step Solution
- Step 1: Write the proportion equation
204,669.77 : 305,565.57 = 156,385.68 : x - Step 2: Convert to fraction form
204,669.77/305,565.57 = 156,385.68/x - Step 3: Cross multiply
204,669.77x = 305,565.57 × 156,385.68 - Step 4: Simplify right side
204,669.77x = 47,786,079,653.53 - Step 5: Solve for x
x = 47,786,079,653.53/204,669.77 - Step 6: Final answer
x = 233,478.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.