Finding the Fourth Proportional to 236,929.26, 326,971.17 and 129,506.52
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Solution
The fourth proportional to 236,929.26, 326,971.17 and 129,506.52 is: 178,723.80
Step by Step Solution
- Step 1: Write the proportion equation
236,929.26 : 326,971.17 = 129,506.52 : x - Step 2: Convert to fraction form
236,929.26/326,971.17 = 129,506.52/x - Step 3: Cross multiply
236,929.26x = 326,971.17 × 129,506.52 - Step 4: Simplify right side
236,929.26x = 42,344,898,367.03 - Step 5: Solve for x
x = 42,344,898,367.03/236,929.26 - Step 6: Final answer
x = 178,723.80
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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.