Finding the Fourth Proportional to 272,409.62, 408,616.25 and 94,919.99
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Solution
The fourth proportional to 272,409.62, 408,616.25 and 94,919.99 is: 142,380.61
Step by Step Solution
- Step 1: Write the proportion equation
272,409.62 : 408,616.25 = 94,919.99 : x - Step 2: Convert to fraction form
272,409.62/408,616.25 = 94,919.99/x - Step 3: Cross multiply
272,409.62x = 408,616.25 × 94,919.99 - Step 4: Simplify right side
272,409.62x = 38,785,847,846.16 - Step 5: Solve for x
x = 38,785,847,846.16/272,409.62 - Step 6: Final answer
x = 142,380.61
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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.