Finding the Fourth Proportional to 186,705.99, 279,898.56 and 68,352.84
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Solution
The fourth proportional to 186,705.99, 279,898.56 and 68,352.84 is: 102,470.53
Step by Step Solution
- Step 1: Write the proportion equation
186,705.99 : 279,898.56 = 68,352.84 : x - Step 2: Convert to fraction form
186,705.99/279,898.56 = 68,352.84/x - Step 3: Cross multiply
186,705.99x = 279,898.56 × 68,352.84 - Step 4: Simplify right side
186,705.99x = 19,131,861,487.91 - Step 5: Solve for x
x = 19,131,861,487.91/186,705.99 - Step 6: Final answer
x = 102,470.53
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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.