Finding the Fourth Proportional to 220,470.19, 304,240.05 and 129,829.97
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Solution
The fourth proportional to 220,470.19, 304,240.05 and 129,829.97 is: 179,160.17
Step by Step Solution
- Step 1: Write the proportion equation
220,470.19 : 304,240.05 = 129,829.97 : x - Step 2: Convert to fraction form
220,470.19/304,240.05 = 129,829.97/x - Step 3: Cross multiply
220,470.19x = 304,240.05 × 129,829.97 - Step 4: Simplify right side
220,470.19x = 39,499,477,324.90 - Step 5: Solve for x
x = 39,499,477,324.90/220,470.19 - Step 6: Final answer
x = 179,160.17
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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.