Finding the Fourth Proportional to 409,471.44, 565,087.92 and 228,183.44
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Solution
The fourth proportional to 409,471.44, 565,087.92 and 228,183.44 is: 314,902.81
Step by Step Solution
- Step 1: Write the proportion equation
409,471.44 : 565,087.92 = 228,183.44 : x - Step 2: Convert to fraction form
409,471.44/565,087.92 = 228,183.44/x - Step 3: Cross multiply
409,471.44x = 565,087.92 × 228,183.44 - Step 4: Simplify right side
409,471.44x = 128,943,705,488.05 - Step 5: Solve for x
x = 128,943,705,488.05/409,471.44 - Step 6: Final answer
x = 314,902.81
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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.