Finding the Fourth Proportional to 112,472.58, 168,755.76 and 49,338.02
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Solution
The fourth proportional to 112,472.58, 168,755.76 and 49,338.02 is: 74,027.59
Step by Step Solution
- Step 1: Write the proportion equation
112,472.58 : 168,755.76 = 49,338.02 : x - Step 2: Convert to fraction form
112,472.58/168,755.76 = 49,338.02/x - Step 3: Cross multiply
112,472.58x = 168,755.76 × 49,338.02 - Step 4: Simplify right side
112,472.58x = 8,326,074,218.22 - Step 5: Solve for x
x = 8,326,074,218.22/112,472.58 - Step 6: Final answer
x = 74,027.59
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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.