Finding the Fourth Proportional to 209,229.87, 288,731.14 and 118,594.18
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Solution
The fourth proportional to 209,229.87, 288,731.14 and 118,594.18 is: 163,656.52
Step by Step Solution
- Step 1: Write the proportion equation
209,229.87 : 288,731.14 = 118,594.18 : x - Step 2: Convert to fraction form
209,229.87/288,731.14 = 118,594.18/x - Step 3: Cross multiply
209,229.87x = 288,731.14 × 118,594.18 - Step 4: Simplify right side
209,229.87x = 34,241,832,788.77 - Step 5: Solve for x
x = 34,241,832,788.77/209,229.87 - Step 6: Final answer
x = 163,656.52
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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.