Finding the Fourth Proportional to 247,626.80, 371,390.84 and 121,212.72
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Solution
The fourth proportional to 247,626.80, 371,390.84 and 121,212.72 is: 181,794.92
Step by Step Solution
- Step 1: Write the proportion equation
247,626.80 : 371,390.84 = 121,212.72 : x - Step 2: Convert to fraction form
247,626.80/371,390.84 = 121,212.72/x - Step 3: Cross multiply
247,626.80x = 371,390.84 × 121,212.72 - Step 4: Simplify right side
247,626.80x = 45,017,293,899.48 - Step 5: Solve for x
x = 45,017,293,899.48/247,626.80 - Step 6: Final answer
x = 181,794.92
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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.