Finding the Fourth Proportional to 186,329.97, 279,528.99 and 86,476.41
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Solution
The fourth proportional to 186,329.97, 279,528.99 and 86,476.41 is: 129,730.41
Step by Step Solution
- Step 1: Write the proportion equation
186,329.97 : 279,528.99 = 86,476.41 : x - Step 2: Convert to fraction form
186,329.97/279,528.99 = 86,476.41/x - Step 3: Cross multiply
186,329.97x = 279,528.99 × 86,476.41 - Step 4: Simplify right side
186,329.97x = 24,172,663,546.13 - Step 5: Solve for x
x = 24,172,663,546.13/186,329.97 - Step 6: Final answer
x = 129,730.41
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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.