Finding the Fourth Proportional to 288,657.08, 398,349.42 and 159,593.68
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Solution
The fourth proportional to 288,657.08, 398,349.42 and 159,593.68 is: 220,240.74
Step by Step Solution
- Step 1: Write the proportion equation
288,657.08 : 398,349.42 = 159,593.68 : x - Step 2: Convert to fraction form
288,657.08/398,349.42 = 159,593.68/x - Step 3: Cross multiply
288,657.08x = 398,349.42 × 159,593.68 - Step 4: Simplify right side
288,657.08x = 63,574,049,863.67 - Step 5: Solve for x
x = 63,574,049,863.67/288,657.08 - Step 6: Final answer
x = 220,240.74
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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.