Finding the Fourth Proportional to 209,502.62, 289,120.18 and 118,862.41
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Solution
The fourth proportional to 209,502.62, 289,120.18 and 118,862.41 is: 164,033.84
Step by Step Solution
- Step 1: Write the proportion equation
209,502.62 : 289,120.18 = 118,862.41 : x - Step 2: Convert to fraction form
209,502.62/289,120.18 = 118,862.41/x - Step 3: Cross multiply
209,502.62x = 289,120.18 × 118,862.41 - Step 4: Simplify right side
209,502.62x = 34,365,520,354.48 - Step 5: Solve for x
x = 34,365,520,354.48/209,502.62 - Step 6: Final answer
x = 164,033.84
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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.