Finding the Fourth Proportional to 288,101.21, 397,577.36 and 167,253.71
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Solution
The fourth proportional to 288,101.21, 397,577.36 and 167,253.71 is: 230,808.78
Step by Step Solution
- Step 1: Write the proportion equation
288,101.21 : 397,577.36 = 167,253.71 : x - Step 2: Convert to fraction form
288,101.21/397,577.36 = 167,253.71/x - Step 3: Cross multiply
288,101.21x = 397,577.36 × 167,253.71 - Step 4: Simplify right side
288,101.21x = 66,496,286,902.25 - Step 5: Solve for x
x = 66,496,286,902.25/288,101.21 - Step 6: Final answer
x = 230,808.78
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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.