Finding the Fourth Proportional to 80,386.48, 120,597.00 and 27,083.75
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Solution
The fourth proportional to 80,386.48, 120,597.00 and 27,083.75 is: 40,631.45
Step by Step Solution
- Step 1: Write the proportion equation
80,386.48 : 120,597.00 = 27,083.75 : x - Step 2: Convert to fraction form
80,386.48/120,597.00 = 27,083.75/x - Step 3: Cross multiply
80,386.48x = 120,597.00 × 27,083.75 - Step 4: Simplify right side
80,386.48x = 3,266,218,863.33 - Step 5: Solve for x
x = 3,266,218,863.33/80,386.48 - Step 6: Final answer
x = 40,631.45
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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.