Finding the Fourth Proportional to 132,556.19, 198,840.42 and 37,792.80
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Solution
The fourth proportional to 132,556.19, 198,840.42 and 37,792.80 is: 56,690.95
Step by Step Solution
- Step 1: Write the proportion equation
132,556.19 : 198,840.42 = 37,792.80 : x - Step 2: Convert to fraction form
132,556.19/198,840.42 = 37,792.80/x - Step 3: Cross multiply
132,556.19x = 198,840.42 × 37,792.80 - Step 4: Simplify right side
132,556.19x = 7,514,736,224.98 - Step 5: Solve for x
x = 7,514,736,224.98/132,556.19 - Step 6: Final answer
x = 56,690.95
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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.