Finding the Fourth Proportional to 288,294.24, 397,885.92 and 160,978.08
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Solution
The fourth proportional to 288,294.24, 397,885.92 and 160,978.08 is: 222,172.01
Step by Step Solution
- Step 1: Write the proportion equation
288,294.24 : 397,885.92 = 160,978.08 : x - Step 2: Convert to fraction form
288,294.24/397,885.92 = 160,978.08/x - Step 3: Cross multiply
288,294.24x = 397,885.92 × 160,978.08 - Step 4: Simplify right side
288,294.24x = 64,050,911,460.63 - Step 5: Solve for x
x = 64,050,911,460.63/288,294.24 - Step 6: Final answer
x = 222,172.01
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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.