Finding the Fourth Proportional to 297,438.20, 410,465.04 and 161,472.08
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Solution
The fourth proportional to 297,438.20, 410,465.04 and 161,472.08 is: 222,831.65
Step by Step Solution
- Step 1: Write the proportion equation
297,438.20 : 410,465.04 = 161,472.08 : x - Step 2: Convert to fraction form
297,438.20/410,465.04 = 161,472.08/x - Step 3: Cross multiply
297,438.20x = 410,465.04 × 161,472.08 - Step 4: Simplify right side
297,438.20x = 66,278,643,776.08 - Step 5: Solve for x
x = 66,278,643,776.08/297,438.20 - Step 6: Final answer
x = 222,831.65
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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.