Finding the Fourth Proportional to 288,112.60, 397,617.42 and 159,075.96
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Solution
The fourth proportional to 288,112.60, 397,617.42 and 159,075.96 is: 219,536.99
Step by Step Solution
- Step 1: Write the proportion equation
288,112.60 : 397,617.42 = 159,075.96 : x - Step 2: Convert to fraction form
288,112.60/397,617.42 = 159,075.96/x - Step 3: Cross multiply
288,112.60x = 397,617.42 × 159,075.96 - Step 4: Simplify right side
288,112.60x = 63,251,372,799.22 - Step 5: Solve for x
x = 63,251,372,799.22/288,112.60 - Step 6: Final answer
x = 219,536.99
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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.