Finding the Fourth Proportional to 220,552.16, 304,431.36 and 125,122.28
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Solution
The fourth proportional to 220,552.16, 304,431.36 and 125,122.28 is: 172,708.11
Step by Step Solution
- Step 1: Write the proportion equation
220,552.16 : 304,431.36 = 125,122.28 : x - Step 2: Convert to fraction form
220,552.16/304,431.36 = 125,122.28/x - Step 3: Cross multiply
220,552.16x = 304,431.36 × 125,122.28 - Step 4: Simplify right side
220,552.16x = 38,091,145,866.70 - Step 5: Solve for x
x = 38,091,145,866.70/220,552.16 - Step 6: Final answer
x = 172,708.11
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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.