Finding the Fourth Proportional to 236,589.24, 326,487.18 and 129,162.36
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Solution
The fourth proportional to 236,589.24, 326,487.18 and 129,162.36 is: 178,240.80
Step by Step Solution
- Step 1: Write the proportion equation
236,589.24 : 326,487.18 = 129,162.36 : x - Step 2: Convert to fraction form
236,589.24/326,487.18 = 129,162.36/x - Step 3: Cross multiply
236,589.24x = 326,487.18 × 129,162.36 - Step 4: Simplify right side
236,589.24x = 42,169,854,678.54 - Step 5: Solve for x
x = 42,169,854,678.54/236,589.24 - Step 6: Final answer
x = 178,240.80
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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.