Finding the Fourth Proportional to 186,879.95, 280,356.84 and 68,552.31
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Solution
The fourth proportional to 186,879.95, 280,356.84 and 68,552.31 is: 102,842.01
Step by Step Solution
- Step 1: Write the proportion equation
186,879.95 : 280,356.84 = 68,552.31 : x - Step 2: Convert to fraction form
186,879.95/280,356.84 = 68,552.31/x - Step 3: Cross multiply
186,879.95x = 280,356.84 × 68,552.31 - Step 4: Simplify right side
186,879.95x = 19,219,109,006.30 - Step 5: Solve for x
x = 19,219,109,006.30/186,879.95 - Step 6: Final answer
x = 102,842.01
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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.