Finding the Fourth Proportional to 206,341.02, 284,698.80 and 121,441.68
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Solution
The fourth proportional to 206,341.02, 284,698.80 and 121,441.68 is: 167,559.03
Step by Step Solution
- Step 1: Write the proportion equation
206,341.02 : 284,698.80 = 121,441.68 : x - Step 2: Convert to fraction form
206,341.02/284,698.80 = 121,441.68/x - Step 3: Cross multiply
206,341.02x = 284,698.80 × 121,441.68 - Step 4: Simplify right side
206,341.02x = 34,574,300,565.98 - Step 5: Solve for x
x = 34,574,300,565.98/206,341.02 - Step 6: Final answer
x = 167,559.03
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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.