Finding the Fourth Proportional to 84,554.84, 126,833.50 and 40,186.12
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Solution
The fourth proportional to 84,554.84, 126,833.50 and 40,186.12 is: 60,279.77
Step by Step Solution
- Step 1: Write the proportion equation
84,554.84 : 126,833.50 = 40,186.12 : x - Step 2: Convert to fraction form
84,554.84/126,833.50 = 40,186.12/x - Step 3: Cross multiply
84,554.84x = 126,833.50 × 40,186.12 - Step 4: Simplify right side
84,554.84x = 5,096,946,251.02 - Step 5: Solve for x
x = 5,096,946,251.02/84,554.84 - Step 6: Final answer
x = 60,279.77
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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.