Finding the Fourth Proportional to 220,517.10, 304,313.62 and 125,023.80
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Solution
The fourth proportional to 220,517.10, 304,313.62 and 125,023.80 is: 172,532.86
Step by Step Solution
- Step 1: Write the proportion equation
220,517.10 : 304,313.62 = 125,023.80 : x - Step 2: Convert to fraction form
220,517.10/304,313.62 = 125,023.80/x - Step 3: Cross multiply
220,517.10x = 304,313.62 × 125,023.80 - Step 4: Simplify right side
220,517.10x = 38,046,445,164.16 - Step 5: Solve for x
x = 38,046,445,164.16/220,517.10 - Step 6: Final answer
x = 172,532.86
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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.