Finding the Fourth Proportional to 113,220.68, 169,879.50 and 38,348.73
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Solution
The fourth proportional to 113,220.68, 169,879.50 and 38,348.73 is: 57,539.52
Step by Step Solution
- Step 1: Write the proportion equation
113,220.68 : 169,879.50 = 38,348.73 : x - Step 2: Convert to fraction form
113,220.68/169,879.50 = 38,348.73/x - Step 3: Cross multiply
113,220.68x = 169,879.50 × 38,348.73 - Step 4: Simplify right side
113,220.68x = 6,514,663,078.04 - Step 5: Solve for x
x = 6,514,663,078.04/113,220.68 - Step 6: Final answer
x = 57,539.52
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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.