Finding the Fourth Proportional to 208,201.05, 312,304.13 and 73,269.14
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Solution
The fourth proportional to 208,201.05, 312,304.13 and 73,269.14 is: 109,904.60
Step by Step Solution
- Step 1: Write the proportion equation
208,201.05 : 312,304.13 = 73,269.14 : x - Step 2: Convert to fraction form
208,201.05/312,304.13 = 73,269.14/x - Step 3: Cross multiply
208,201.05x = 312,304.13 × 73,269.14 - Step 4: Simplify right side
208,201.05x = 22,882,253,095.68 - Step 5: Solve for x
x = 22,882,253,095.68/208,201.05 - Step 6: Final answer
x = 109,904.60
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1.5x scale
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.