Finding the Fourth Proportional to 186,835.28, 280,474.84 and 147,420.68
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Solution
The fourth proportional to 186,835.28, 280,474.84 and 147,420.68 is: 221,306.12
Step by Step Solution
- Step 1: Write the proportion equation
186,835.28 : 280,474.84 = 147,420.68 : x - Step 2: Convert to fraction form
186,835.28/280,474.84 = 147,420.68/x - Step 3: Cross multiply
186,835.28x = 280,474.84 × 147,420.68 - Step 4: Simplify right side
186,835.28x = 41,347,791,635.69 - Step 5: Solve for x
x = 41,347,791,635.69/186,835.28 - Step 6: Final answer
x = 221,306.12
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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.