Finding the Fourth Proportional to 288,043.88, 397,436.88 and 167,115.08
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Solution
The fourth proportional to 288,043.88, 397,436.88 and 167,115.08 is: 230,581.87
Step by Step Solution
- Step 1: Write the proportion equation
288,043.88 : 397,436.88 = 167,115.08 : x - Step 2: Convert to fraction form
288,043.88/397,436.88 = 167,115.08/x - Step 3: Cross multiply
288,043.88x = 397,436.88 × 167,115.08 - Step 4: Simplify right side
288,043.88x = 66,417,695,996.15 - Step 5: Solve for x
x = 66,417,695,996.15/288,043.88 - Step 6: Final answer
x = 230,581.87
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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.