Finding the Fourth Proportional to 173,871.80, 260,807.70 and 162,207.80
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Solution
The fourth proportional to 173,871.80, 260,807.70 and 162,207.80 is: 243,311.70
Step by Step Solution
- Step 1: Write the proportion equation
173,871.80 : 260,807.70 = 162,207.80 : x - Step 2: Convert to fraction form
173,871.80/260,807.70 = 162,207.80/x - Step 3: Cross multiply
173,871.80x = 260,807.70 × 162,207.80 - Step 4: Simplify right side
173,871.80x = 42,305,043,240.06 - Step 5: Solve for x
x = 42,305,043,240.06/173,871.80 - Step 6: Final answer
x = 243,311.70
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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.