Finding the Fourth Proportional to 287,556.68, 396,827.22 and 160,233.80
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Solution
The fourth proportional to 287,556.68, 396,827.22 and 160,233.80 is: 221,122.09
Step by Step Solution
- Step 1: Write the proportion equation
287,556.68 : 396,827.22 = 160,233.80 : x - Step 2: Convert to fraction form
287,556.68/396,827.22 = 160,233.80/x - Step 3: Cross multiply
287,556.68x = 396,827.22 × 160,233.80 - Step 4: Simplify right side
287,556.68x = 63,585,133,404.04 - Step 5: Solve for x
x = 63,585,133,404.04/287,556.68 - Step 6: Final answer
x = 221,122.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.