Finding the Fourth Proportional to 159,239.62, 219,759.97 and 91,277.65
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Solution
The fourth proportional to 159,239.62, 219,759.97 and 91,277.65 is: 125,968.48
Step by Step Solution
- Step 1: Write the proportion equation
159,239.62 : 219,759.97 = 91,277.65 : x - Step 2: Convert to fraction form
159,239.62/219,759.97 = 91,277.65/x - Step 3: Cross multiply
159,239.62x = 219,759.97 × 91,277.65 - Step 4: Simplify right side
159,239.62x = 20,059,172,526.87 - Step 5: Solve for x
x = 20,059,172,526.87/159,239.62 - Step 6: Final answer
x = 125,968.48
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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.