Finding the Fourth Proportional to 288,752.72, 398,527.97 and 167,964.03
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Solution
The fourth proportional to 288,752.72, 398,527.97 and 167,964.03 is: 231,818.99
Step by Step Solution
- Step 1: Write the proportion equation
288,752.72 : 398,527.97 = 167,964.03 : x - Step 2: Convert to fraction form
288,752.72/398,527.97 = 167,964.03/x - Step 3: Cross multiply
288,752.72x = 398,527.97 × 167,964.03 - Step 4: Simplify right side
288,752.72x = 66,938,363,069.10 - Step 5: Solve for x
x = 66,938,363,069.10/288,752.72 - Step 6: Final answer
x = 231,818.99
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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.