Finding the Fourth Proportional to 159,587.92, 220,215.11 and 91,588.62
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Solution
The fourth proportional to 159,587.92, 220,215.11 and 91,588.62 is: 126,382.99
Step by Step Solution
- Step 1: Write the proportion equation
159,587.92 : 220,215.11 = 91,588.62 : x - Step 2: Convert to fraction form
159,587.92/220,215.11 = 91,588.62/x - Step 3: Cross multiply
159,587.92x = 220,215.11 × 91,588.62 - Step 4: Simplify right side
159,587.92x = 20,169,198,395.91 - Step 5: Solve for x
x = 20,169,198,395.91/159,587.92 - Step 6: Final answer
x = 126,382.99
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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.