Finding the Fourth Proportional to 72,379.08, 108,569.97 and 22,460.80
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Solution
The fourth proportional to 72,379.08, 108,569.97 and 22,460.80 is: 33,691.62
Step by Step Solution
- Step 1: Write the proportion equation
72,379.08 : 108,569.97 = 22,460.80 : x - Step 2: Convert to fraction form
72,379.08/108,569.97 = 22,460.80/x - Step 3: Cross multiply
72,379.08x = 108,569.97 × 22,460.80 - Step 4: Simplify right side
72,379.08x = 2,438,568,382.18 - Step 5: Solve for x
x = 2,438,568,382.18/72,379.08 - Step 6: Final answer
x = 33,691.62
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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.