Finding the Fourth Proportional to 209,256.13, 288,776.75 and 113,763.19
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Solution
The fourth proportional to 209,256.13, 288,776.75 and 113,763.19 is: 156,994.99
Step by Step Solution
- Step 1: Write the proportion equation
209,256.13 : 288,776.75 = 113,763.19 : x - Step 2: Convert to fraction form
209,256.13/288,776.75 = 113,763.19/x - Step 3: Cross multiply
209,256.13x = 288,776.75 × 113,763.19 - Step 4: Simplify right side
209,256.13x = 32,852,163,709.02 - Step 5: Solve for x
x = 32,852,163,709.02/209,256.13 - Step 6: Final answer
x = 156,994.99
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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.