Finding the Fourth Proportional to 216,508.06, 324,679.06 and 74,326.84
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Solution
The fourth proportional to 216,508.06, 324,679.06 and 74,326.84 is: 111,461.75
Step by Step Solution
- Step 1: Write the proportion equation
216,508.06 : 324,679.06 = 74,326.84 : x - Step 2: Convert to fraction form
216,508.06/324,679.06 = 74,326.84/x - Step 3: Cross multiply
216,508.06x = 324,679.06 × 74,326.84 - Step 4: Simplify right side
216,508.06x = 24,132,367,546.46 - Step 5: Solve for x
x = 24,132,367,546.46/216,508.06 - Step 6: Final answer
x = 111,461.75
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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.