Finding the Fourth Proportional to 173,660.45, 239,421.69 and 125,221.84
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Solution
The fourth proportional to 173,660.45, 239,421.69 and 125,221.84 is: 172,640.49
Step by Step Solution
- Step 1: Write the proportion equation
173,660.45 : 239,421.69 = 125,221.84 : x - Step 2: Convert to fraction form
173,660.45/239,421.69 = 125,221.84/x - Step 3: Cross multiply
173,660.45x = 239,421.69 × 125,221.84 - Step 4: Simplify right side
173,660.45x = 29,980,823,959.16 - Step 5: Solve for x
x = 29,980,823,959.16/173,660.45 - Step 6: Final answer
x = 172,640.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.