Finding the Fourth Proportional to 186,000.30, 278,843.67 and 80,739.99
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Solution
The fourth proportional to 186,000.30, 278,843.67 and 80,739.99 is: 121,041.93
Step by Step Solution
- Step 1: Write the proportion equation
186,000.30 : 278,843.67 = 80,739.99 : x - Step 2: Convert to fraction form
186,000.30/278,843.67 = 80,739.99/x - Step 3: Cross multiply
186,000.30x = 278,843.67 × 80,739.99 - Step 4: Simplify right side
186,000.30x = 22,513,835,127.36 - Step 5: Solve for x
x = 22,513,835,127.36/186,000.30 - Step 6: Final answer
x = 121,041.93
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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.