Finding the Fourth Proportional to 160,618.14, 221,660.96 and 92,644.97
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Solution
The fourth proportional to 160,618.14, 221,660.96 and 92,644.97 is: 127,854.62
Step by Step Solution
- Step 1: Write the proportion equation
160,618.14 : 221,660.96 = 92,644.97 : x - Step 2: Convert to fraction form
160,618.14/221,660.96 = 92,644.97/x - Step 3: Cross multiply
160,618.14x = 221,660.96 × 92,644.97 - Step 4: Simplify right side
160,618.14x = 20,535,771,417.84 - Step 5: Solve for x
x = 20,535,771,417.84/160,618.14 - Step 6: Final answer
x = 127,854.62
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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.