Finding the Fourth Proportional to 288,132.28, 397,606.36 and 160,816.08
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Solution
The fourth proportional to 288,132.28, 397,606.36 and 160,816.08 is: 221,917.16
Step by Step Solution
- Step 1: Write the proportion equation
288,132.28 : 397,606.36 = 160,816.08 : x - Step 2: Convert to fraction form
288,132.28/397,606.36 = 160,816.08/x - Step 3: Cross multiply
288,132.28x = 397,606.36 × 160,816.08 - Step 4: Simplify right side
288,132.28x = 63,941,496,198.27 - Step 5: Solve for x
x = 63,941,496,198.27/288,132.28 - Step 6: Final answer
x = 221,917.16
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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.