Finding the Fourth Proportional to 236,450.38, 326,295.12 and 129,020.44
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Solution
The fourth proportional to 236,450.38, 326,295.12 and 129,020.44 is: 178,044.71
Step by Step Solution
- Step 1: Write the proportion equation
236,450.38 : 326,295.12 = 129,020.44 : x - Step 2: Convert to fraction form
236,450.38/326,295.12 = 129,020.44/x - Step 3: Cross multiply
236,450.38x = 326,295.12 × 129,020.44 - Step 4: Simplify right side
236,450.38x = 42,098,739,952.25 - Step 5: Solve for x
x = 42,098,739,952.25/236,450.38 - Step 6: Final answer
x = 178,044.71
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1.5x scale
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.