Finding the Fourth Proportional to 247,129.92, 370,810.08 and 147,286.08
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Solution
The fourth proportional to 247,129.92, 370,810.08 and 147,286.08 is: 220,997.78
Step by Step Solution
- Step 1: Write the proportion equation
247,129.92 : 370,810.08 = 147,286.08 : x - Step 2: Convert to fraction form
247,129.92/370,810.08 = 147,286.08/x - Step 3: Cross multiply
247,129.92x = 370,810.08 × 147,286.08 - Step 4: Simplify right side
247,129.92x = 54,615,163,107.69 - Step 5: Solve for x
x = 54,615,163,107.69/247,129.92 - Step 6: Final answer
x = 220,997.78
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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.