Finding the Fourth Proportional to 414,600.21, 621,944.76 and 115,082.06
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Solution
The fourth proportional to 414,600.21, 621,944.76 and 115,082.06 is: 172,635.42
Step by Step Solution
- Step 1: Write the proportion equation
414,600.21 : 621,944.76 = 115,082.06 : x - Step 2: Convert to fraction form
414,600.21/621,944.76 = 115,082.06/x - Step 3: Cross multiply
414,600.21x = 621,944.76 × 115,082.06 - Step 4: Simplify right side
414,600.21x = 71,574,681,077.28 - Step 5: Solve for x
x = 71,574,681,077.28/414,600.21 - Step 6: Final answer
x = 172,635.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.