Finding the Fourth Proportional to 209,256.68, 288,774.18 and 113,763.08
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Solution
The fourth proportional to 209,256.68, 288,774.18 and 113,763.08 is: 156,993.03
Step by Step Solution
- Step 1: Write the proportion equation
209,256.68 : 288,774.18 = 113,763.08 : x - Step 2: Convert to fraction form
209,256.68/288,774.18 = 113,763.08/x - Step 3: Cross multiply
209,256.68x = 288,774.18 × 113,763.08 - Step 4: Simplify right side
209,256.68x = 32,851,840,141.27 - Step 5: Solve for x
x = 32,851,840,141.27/209,256.68 - Step 6: Final answer
x = 156,993.03
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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.