Finding the Fourth Proportional to 209,247.40, 288,783.99 and 118,593.63
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Solution
The fourth proportional to 209,247.40, 288,783.99 and 118,593.63 is: 163,672.01
Step by Step Solution
- Step 1: Write the proportion equation
209,247.40 : 288,783.99 = 118,593.63 : x - Step 2: Convert to fraction form
209,247.40/288,783.99 = 118,593.63/x - Step 3: Cross multiply
209,247.40x = 288,783.99 × 118,593.63 - Step 4: Simplify right side
209,247.40x = 34,247,941,659.98 - Step 5: Solve for x
x = 34,247,941,659.98/209,247.40 - Step 6: Final answer
x = 163,672.01
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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.