Finding the Fourth Proportional to 216,566.97, 324,632.28 and 90,277.08
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Solution
The fourth proportional to 216,566.97, 324,632.28 and 90,277.08 is: 135,324.67
Step by Step Solution
- Step 1: Write the proportion equation
216,566.97 : 324,632.28 = 90,277.08 : x - Step 2: Convert to fraction form
216,566.97/324,632.28 = 90,277.08/x - Step 3: Cross multiply
216,566.97x = 324,632.28 × 90,277.08 - Step 4: Simplify right side
216,566.97x = 29,306,854,312.14 - Step 5: Solve for x
x = 29,306,854,312.14/216,566.97 - Step 6: Final answer
x = 135,324.67
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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.