Finding the Fourth Proportional to 322,694.64, 484,065.08 and 86,036.08
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Solution
The fourth proportional to 322,694.64, 484,065.08 and 86,036.08 is: 129,060.28
Step by Step Solution
- Step 1: Write the proportion equation
322,694.64 : 484,065.08 = 86,036.08 : x - Step 2: Convert to fraction form
322,694.64/484,065.08 = 86,036.08/x - Step 3: Cross multiply
322,694.64x = 484,065.08 × 86,036.08 - Step 4: Simplify right side
322,694.64x = 41,647,061,948.09 - Step 5: Solve for x
x = 41,647,061,948.09/322,694.64 - Step 6: Final answer
x = 129,060.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.