Finding the Fourth Proportional to 288,197.92, 397,711.58 and 167,368.88
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Solution
The fourth proportional to 288,197.92, 397,711.58 and 167,368.88 is: 230,968.15
Step by Step Solution
- Step 1: Write the proportion equation
288,197.92 : 397,711.58 = 167,368.88 : x - Step 2: Convert to fraction form
288,197.92/397,711.58 = 167,368.88/x - Step 3: Cross multiply
288,197.92x = 397,711.58 × 167,368.88 - Step 4: Simplify right side
288,197.92x = 66,564,541,707.63 - Step 5: Solve for x
x = 66,564,541,707.63/288,197.92 - Step 6: Final answer
x = 230,968.15
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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.