Finding the Fourth Proportional to 197,356.24, 272,351.80 and 106,712.18
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Solution
The fourth proportional to 197,356.24, 272,351.80 and 106,712.18 is: 147,262.91
Step by Step Solution
- Step 1: Write the proportion equation
197,356.24 : 272,351.80 = 106,712.18 : x - Step 2: Convert to fraction form
197,356.24/272,351.80 = 106,712.18/x - Step 3: Cross multiply
197,356.24x = 272,351.80 × 106,712.18 - Step 4: Simplify right side
197,356.24x = 29,063,253,357.26 - Step 5: Solve for x
x = 29,063,253,357.26/197,356.24 - Step 6: Final answer
x = 147,262.91
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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.