Finding the Fourth Proportional to 186,102.18, 278,989.38 and 73,861.20
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Solution
The fourth proportional to 186,102.18, 278,989.38 and 73,861.20 is: 110,726.75
Step by Step Solution
- Step 1: Write the proportion equation
186,102.18 : 278,989.38 = 73,861.20 : x - Step 2: Convert to fraction form
186,102.18/278,989.38 = 73,861.20/x - Step 3: Cross multiply
186,102.18x = 278,989.38 × 73,861.20 - Step 4: Simplify right side
186,102.18x = 20,606,490,394.06 - Step 5: Solve for x
x = 20,606,490,394.06/186,102.18 - Step 6: Final answer
x = 110,726.75
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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.