Finding the Fourth Proportional to 288,117.44, 397,624.06 and 159,080.80
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Solution
The fourth proportional to 288,117.44, 397,624.06 and 159,080.80 is: 219,543.65
Step by Step Solution
- Step 1: Write the proportion equation
288,117.44 : 397,624.06 = 159,080.80 : x - Step 2: Convert to fraction form
288,117.44/397,624.06 = 159,080.80/x - Step 3: Cross multiply
288,117.44x = 397,624.06 × 159,080.80 - Step 4: Simplify right side
288,117.44x = 63,254,353,564.05 - Step 5: Solve for x
x = 63,254,353,564.05/288,117.44 - Step 6: Final answer
x = 219,543.65
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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.