Finding the Fourth Proportional to 209,091.03, 288,545.93 and 113,597.70
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Solution
The fourth proportional to 209,091.03, 288,545.93 and 113,597.70 is: 156,764.99
Step by Step Solution
- Step 1: Write the proportion equation
209,091.03 : 288,545.93 = 113,597.70 : x - Step 2: Convert to fraction form
209,091.03/288,545.93 = 113,597.70/x - Step 3: Cross multiply
209,091.03x = 288,545.93 × 113,597.70 - Step 4: Simplify right side
209,091.03x = 32,778,153,992.36 - Step 5: Solve for x
x = 32,778,153,992.36/209,091.03 - Step 6: Final answer
x = 156,764.99
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1.5x scale
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.