Finding the Fourth Proportional to 288,290.08, 397,836.12 and 160,967.44
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Solution
The fourth proportional to 288,290.08, 397,836.12 and 160,967.44 is: 222,132.73
Step by Step Solution
- Step 1: Write the proportion equation
288,290.08 : 397,836.12 = 160,967.44 : x - Step 2: Convert to fraction form
288,290.08/397,836.12 = 160,967.44/x - Step 3: Cross multiply
288,290.08x = 397,836.12 × 160,967.44 - Step 4: Simplify right side
288,290.08x = 64,038,661,775.93 - Step 5: Solve for x
x = 64,038,661,775.93/288,290.08 - Step 6: Final answer
x = 222,132.73
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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.