Finding the Fourth Proportional to 160,409.97, 221,415.11 and 92,472.38
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Solution
The fourth proportional to 160,409.97, 221,415.11 and 92,472.38 is: 127,640.34
Step by Step Solution
- Step 1: Write the proportion equation
160,409.97 : 221,415.11 = 92,472.38 : x - Step 2: Convert to fraction form
160,409.97/221,415.11 = 92,472.38/x - Step 3: Cross multiply
160,409.97x = 221,415.11 × 92,472.38 - Step 4: Simplify right side
160,409.97x = 20,474,781,727.30 - Step 5: Solve for x
x = 20,474,781,727.30/160,409.97 - Step 6: Final answer
x = 127,640.34
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1.5x scale
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.