Finding the Fourth Proportional to 216,217.93, 324,328.05 and 141,809.28
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Solution
The fourth proportional to 216,217.93, 324,328.05 and 141,809.28 is: 212,714.68
Step by Step Solution
- Step 1: Write the proportion equation
216,217.93 : 324,328.05 = 141,809.28 : x - Step 2: Convert to fraction form
216,217.93/324,328.05 = 141,809.28/x - Step 3: Cross multiply
216,217.93x = 324,328.05 × 141,809.28 - Step 4: Simplify right side
216,217.93x = 45,992,727,254.30 - Step 5: Solve for x
x = 45,992,727,254.30/216,217.93 - Step 6: Final answer
x = 212,714.68
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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.