Finding the Fourth Proportional to 297,420.12, 410,439.92 and 161,454.02
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Solution
The fourth proportional to 297,420.12, 410,439.92 and 161,454.02 is: 222,806.62
Step by Step Solution
- Step 1: Write the proportion equation
297,420.12 : 410,439.92 = 161,454.02 : x - Step 2: Convert to fraction form
297,420.12/410,439.92 = 161,454.02/x - Step 3: Cross multiply
297,420.12x = 410,439.92 × 161,454.02 - Step 4: Simplify right side
297,420.12x = 66,267,172,193.01 - Step 5: Solve for x
x = 66,267,172,193.01/297,420.12 - Step 6: Final answer
x = 222,806.62
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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.