Finding the Fourth Proportional to 236,473.10, 326,339.81 and 129,050.07
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Solution
The fourth proportional to 236,473.10, 326,339.81 and 129,050.07 is: 178,092.88
Step by Step Solution
- Step 1: Write the proportion equation
236,473.10 : 326,339.81 = 129,050.07 : x - Step 2: Convert to fraction form
236,473.10/326,339.81 = 129,050.07/x - Step 3: Cross multiply
236,473.10x = 326,339.81 × 129,050.07 - Step 4: Simplify right side
236,473.10x = 42,114,175,324.29 - Step 5: Solve for x
x = 42,114,175,324.29/236,473.10 - Step 6: Final answer
x = 178,092.88
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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.