Finding the Fourth Proportional to 160,869.24, 221,977.26 and 107,188.92
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Solution
The fourth proportional to 160,869.24, 221,977.26 and 107,188.92 is: 147,905.86
Step by Step Solution
- Step 1: Write the proportion equation
160,869.24 : 221,977.26 = 107,188.92 : x - Step 2: Convert to fraction form
160,869.24/221,977.26 = 107,188.92/x - Step 3: Cross multiply
160,869.24x = 221,977.26 × 107,188.92 - Step 4: Simplify right side
160,869.24x = 23,793,502,763.96 - Step 5: Solve for x
x = 23,793,502,763.96/160,869.24 - Step 6: Final answer
x = 147,905.86
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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.