Finding the Fourth Proportional to 236,467.23, 326,331.70 and 129,044.18
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Solution
The fourth proportional to 236,467.23, 326,331.70 and 129,044.18 is: 178,084.75
Step by Step Solution
- Step 1: Write the proportion equation
236,467.23 : 326,331.70 = 129,044.18 : x - Step 2: Convert to fraction form
236,467.23/326,331.70 = 129,044.18/x - Step 3: Cross multiply
236,467.23x = 326,331.70 × 129,044.18 - Step 4: Simplify right side
236,467.23x = 42,111,205,989.29 - Step 5: Solve for x
x = 42,111,205,989.29/236,467.23 - Step 6: Final answer
x = 178,084.75
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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.