Finding the Fourth Proportional to 72,218.24, 108,345.80 and 27,833.08
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Solution
The fourth proportional to 72,218.24, 108,345.80 and 27,833.08 is: 41,756.73
Step by Step Solution
- Step 1: Write the proportion equation
72,218.24 : 108,345.80 = 27,833.08 : x - Step 2: Convert to fraction form
72,218.24/108,345.80 = 27,833.08/x - Step 3: Cross multiply
72,218.24x = 108,345.80 × 27,833.08 - Step 4: Simplify right side
72,218.24x = 3,015,597,319.06 - Step 5: Solve for x
x = 3,015,597,319.06/72,218.24 - Step 6: Final answer
x = 41,756.73
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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.