Finding the Fourth Proportional to 338,060.58, 506,353.96 and 169,286.55
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Solution
The fourth proportional to 338,060.58, 506,353.96 and 169,286.55 is: 253,560.81
Step by Step Solution
- Step 1: Write the proportion equation
338,060.58 : 506,353.96 = 169,286.55 : x - Step 2: Convert to fraction form
338,060.58/506,353.96 = 169,286.55/x - Step 3: Cross multiply
338,060.58x = 506,353.96 × 169,286.55 - Step 4: Simplify right side
338,060.58x = 85,718,914,967.24 - Step 5: Solve for x
x = 85,718,914,967.24/338,060.58 - Step 6: Final answer
x = 253,560.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.