Finding the Fourth Proportional to 272,439.55, 408,674.68 and 82,906.08
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Solution
The fourth proportional to 272,439.55, 408,674.68 and 82,906.08 is: 124,363.80
Step by Step Solution
- Step 1: Write the proportion equation
272,439.55 : 408,674.68 = 82,906.08 : x - Step 2: Convert to fraction form
272,439.55/408,674.68 = 82,906.08/x - Step 3: Cross multiply
272,439.55x = 408,674.68 × 82,906.08 - Step 4: Simplify right side
272,439.55x = 33,881,616,739.40 - Step 5: Solve for x
x = 33,881,616,739.40/272,439.55 - Step 6: Final answer
x = 124,363.80
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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.