Finding the Fourth Proportional to 159,545.08, 220,182.58 and 91,584.06
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Solution
The fourth proportional to 159,545.08, 220,182.58 and 91,584.06 is: 126,391.96
Step by Step Solution
- Step 1: Write the proportion equation
159,545.08 : 220,182.58 = 91,584.06 : x - Step 2: Convert to fraction form
159,545.08/220,182.58 = 91,584.06/x - Step 3: Cross multiply
159,545.08x = 220,182.58 × 91,584.06 - Step 4: Simplify right side
159,545.08x = 20,165,214,617.67 - Step 5: Solve for x
x = 20,165,214,617.67/159,545.08 - Step 6: Final answer
x = 126,391.96
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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.