Finding the Fourth Proportional to 209,543.60, 289,170.14 and 114,050.99
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Solution
The fourth proportional to 209,543.60, 289,170.14 and 114,050.99 is: 157,390.35
Step by Step Solution
- Step 1: Write the proportion equation
209,543.60 : 289,170.14 = 114,050.99 : x - Step 2: Convert to fraction form
209,543.60/289,170.14 = 114,050.99/x - Step 3: Cross multiply
209,543.60x = 289,170.14 × 114,050.99 - Step 4: Simplify right side
209,543.60x = 32,980,138,729.33 - Step 5: Solve for x
x = 32,980,138,729.33/209,543.60 - Step 6: Final answer
x = 157,390.35
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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.