Finding the Fourth Proportional to 213,151.40, 319,727.06 and 63,391.08
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Solution
The fourth proportional to 213,151.40, 319,727.06 and 63,391.08 is: 95,086.61
Step by Step Solution
- Step 1: Write the proportion equation
213,151.40 : 319,727.06 = 63,391.08 : x - Step 2: Convert to fraction form
213,151.40/319,727.06 = 63,391.08/x - Step 3: Cross multiply
213,151.40x = 319,727.06 × 63,391.08 - Step 4: Simplify right side
213,151.40x = 20,267,843,638.62 - Step 5: Solve for x
x = 20,267,843,638.62/213,151.40 - Step 6: Final answer
x = 95,086.61
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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.