Finding the Fourth Proportional to 220,122.14, 303,769.70 and 124,647.44
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Solution
The fourth proportional to 220,122.14, 303,769.70 and 124,647.44 is: 172,014.11
Step by Step Solution
- Step 1: Write the proportion equation
220,122.14 : 303,769.70 = 124,647.44 : x - Step 2: Convert to fraction form
220,122.14/303,769.70 = 124,647.44/x - Step 3: Cross multiply
220,122.14x = 303,769.70 × 124,647.44 - Step 4: Simplify right side
220,122.14x = 37,864,113,312.48 - Step 5: Solve for x
x = 37,864,113,312.48/220,122.14 - Step 6: Final answer
x = 172,014.11
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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.