Finding the Fourth Proportional to 215,344.08, 322,660.65 and 125,133.54
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Solution
The fourth proportional to 215,344.08, 322,660.65 and 125,133.54 is: 187,493.75
Step by Step Solution
- Step 1: Write the proportion equation
215,344.08 : 322,660.65 = 125,133.54 : x - Step 2: Convert to fraction form
215,344.08/322,660.65 = 125,133.54/x - Step 3: Cross multiply
215,344.08x = 322,660.65 × 125,133.54 - Step 4: Simplify right side
215,344.08x = 40,375,669,353.20 - Step 5: Solve for x
x = 40,375,669,353.20/215,344.08 - Step 6: Final answer
x = 187,493.75
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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.