Finding the Fourth Proportional to 186,302.70, 279,267.19 and 86,532.96
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Solution
The fourth proportional to 186,302.70, 279,267.19 and 86,532.96 is: 129,712.65
Step by Step Solution
- Step 1: Write the proportion equation
186,302.70 : 279,267.19 = 86,532.96 : x - Step 2: Convert to fraction form
186,302.70/279,267.19 = 86,532.96/x - Step 3: Cross multiply
186,302.70x = 279,267.19 × 86,532.96 - Step 4: Simplify right side
186,302.70x = 24,165,816,581.58 - Step 5: Solve for x
x = 24,165,816,581.58/186,302.70 - Step 6: Final answer
x = 129,712.65
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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.