Finding the Fourth Proportional to 225,721.26, 338,626.12 and 83,567.70
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Solution
The fourth proportional to 225,721.26, 338,626.12 and 83,567.70 is: 125,367.93
Step by Step Solution
- Step 1: Write the proportion equation
225,721.26 : 338,626.12 = 83,567.70 : x - Step 2: Convert to fraction form
225,721.26/338,626.12 = 83,567.70/x - Step 3: Cross multiply
225,721.26x = 338,626.12 × 83,567.70 - Step 4: Simplify right side
225,721.26x = 28,298,205,956.09 - Step 5: Solve for x
x = 28,298,205,956.09/225,721.26 - Step 6: Final answer
x = 125,367.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.