Finding the Fourth Proportional to 209,247.76, 288,784.48 and 118,593.99
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Solution
The fourth proportional to 209,247.76, 288,784.48 and 118,593.99 is: 163,672.50
Step by Step Solution
- Step 1: Write the proportion equation
209,247.76 : 288,784.48 = 118,593.99 : x - Step 2: Convert to fraction form
209,247.76/288,784.48 = 118,593.99/x - Step 3: Cross multiply
209,247.76x = 288,784.48 × 118,593.99 - Step 4: Simplify right side
209,247.76x = 34,248,103,733.28 - Step 5: Solve for x
x = 34,248,103,733.28/209,247.76 - Step 6: Final answer
x = 163,672.50
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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.