Finding the Fourth Proportional to 186,646.84, 279,912.84 and 53,491.40
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Solution
The fourth proportional to 186,646.84, 279,912.84 and 53,491.40 is: 80,220.64
Step by Step Solution
- Step 1: Write the proportion equation
186,646.84 : 279,912.84 = 53,491.40 : x - Step 2: Convert to fraction form
186,646.84/279,912.84 = 53,491.40/x - Step 3: Cross multiply
186,646.84x = 279,912.84 × 53,491.40 - Step 4: Simplify right side
186,646.84x = 14,972,929,689.58 - Step 5: Solve for x
x = 14,972,929,689.58/186,646.84 - Step 6: Final answer
x = 80,220.64
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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.