Finding the Fourth Proportional to 185,876.99, 278,658.73 and 80,616.68
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Solution
The fourth proportional to 185,876.99, 278,658.73 and 80,616.68 is: 120,857.03
Step by Step Solution
- Step 1: Write the proportion equation
185,876.99 : 278,658.73 = 80,616.68 : x - Step 2: Convert to fraction form
185,876.99/278,658.73 = 80,616.68/x - Step 3: Cross multiply
185,876.99x = 278,658.73 × 80,616.68 - Step 4: Simplify right side
185,876.99x = 22,464,541,665.62 - Step 5: Solve for x
x = 22,464,541,665.62/185,876.99 - Step 6: Final answer
x = 120,857.03
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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.