Finding the Fourth Proportional to 209,362.68, 288,855.33 and 118,711.50
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Solution
The fourth proportional to 209,362.68, 288,855.33 and 118,711.50 is: 163,784.92
Step by Step Solution
- Step 1: Write the proportion equation
209,362.68 : 288,855.33 = 118,711.50 : x - Step 2: Convert to fraction form
209,362.68/288,855.33 = 118,711.50/x - Step 3: Cross multiply
209,362.68x = 288,855.33 × 118,711.50 - Step 4: Simplify right side
209,362.68x = 34,290,449,507.30 - Step 5: Solve for x
x = 34,290,449,507.30/209,362.68 - Step 6: Final answer
x = 163,784.92
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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.