Finding the Fourth Proportional to 419,040.38, 578,174.87 and 246,965.19
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Solution
The fourth proportional to 419,040.38, 578,174.87 and 246,965.19 is: 340,752.53
Step by Step Solution
- Step 1: Write the proportion equation
419,040.38 : 578,174.87 = 246,965.19 : x - Step 2: Convert to fraction form
419,040.38/578,174.87 = 246,965.19/x - Step 3: Cross multiply
419,040.38x = 578,174.87 × 246,965.19 - Step 4: Simplify right side
419,040.38x = 142,789,067,240.19 - Step 5: Solve for x
x = 142,789,067,240.19/419,040.38 - Step 6: Final answer
x = 340,752.53
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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.