Finding the Fourth Proportional to 121,574.14, 182,207.82 and 61,617.68
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Solution
The fourth proportional to 121,574.14, 182,207.82 and 61,617.68 is: 92,348.78
Step by Step Solution
- Step 1: Write the proportion equation
121,574.14 : 182,207.82 = 61,617.68 : x - Step 2: Convert to fraction form
121,574.14/182,207.82 = 61,617.68/x - Step 3: Cross multiply
121,574.14x = 182,207.82 × 61,617.68 - Step 4: Simplify right side
121,574.14x = 11,227,223,146.26 - Step 5: Solve for x
x = 11,227,223,146.26/121,574.14 - Step 6: Final answer
x = 92,348.78
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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.