Finding the Fourth Proportional to 160,844.97, 221,976.57 and 92,864.80
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Solution
The fourth proportional to 160,844.97, 221,976.57 and 92,864.80 is: 128,159.50
Step by Step Solution
- Step 1: Write the proportion equation
160,844.97 : 221,976.57 = 92,864.80 : x - Step 2: Convert to fraction form
160,844.97/221,976.57 = 92,864.80/x - Step 3: Cross multiply
160,844.97x = 221,976.57 × 92,864.80 - Step 4: Simplify right side
160,844.97x = 20,613,810,701.28 - Step 5: Solve for x
x = 20,613,810,701.28/160,844.97 - Step 6: Final answer
x = 128,159.50
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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.