Finding the Fourth Proportional to 197,821.24, 272,722.17 and 125,188.00
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Solution
The fourth proportional to 197,821.24, 272,722.17 and 125,188.00 is: 172,587.85
Step by Step Solution
- Step 1: Write the proportion equation
197,821.24 : 272,722.17 = 125,188.00 : x - Step 2: Convert to fraction form
197,821.24/272,722.17 = 125,188.00/x - Step 3: Cross multiply
197,821.24x = 272,722.17 × 125,188.00 - Step 4: Simplify right side
197,821.24x = 34,141,542,336.15 - Step 5: Solve for x
x = 34,141,542,336.15/197,821.24 - Step 6: Final answer
x = 172,587.85
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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.