Finding the Fourth Proportional to 159,809.07, 220,548.99 and 91,849.77
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Solution
The fourth proportional to 159,809.07, 220,548.99 and 91,849.77 is: 126,759.85
Step by Step Solution
- Step 1: Write the proportion equation
159,809.07 : 220,548.99 = 91,849.77 : x - Step 2: Convert to fraction form
159,809.07/220,548.99 = 91,849.77/x - Step 3: Cross multiply
159,809.07x = 220,548.99 × 91,849.77 - Step 4: Simplify right side
159,809.07x = 20,257,374,005.23 - Step 5: Solve for x
x = 20,257,374,005.23/159,809.07 - Step 6: Final answer
x = 126,759.85
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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.