Finding the Fourth Proportional to 288,108.09, 397,550.03 and 167,230.17
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Solution
The fourth proportional to 288,108.09, 397,550.03 and 167,230.17 is: 230,754.92
Step by Step Solution
- Step 1: Write the proportion equation
288,108.09 : 397,550.03 = 167,230.17 : x - Step 2: Convert to fraction form
288,108.09/397,550.03 = 167,230.17/x - Step 3: Cross multiply
288,108.09x = 397,550.03 × 167,230.17 - Step 4: Simplify right side
288,108.09x = 66,482,358,264.25 - Step 5: Solve for x
x = 66,482,358,264.25/288,108.09 - Step 6: Final answer
x = 230,754.92
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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.