Finding the Fourth Proportional to 214,446.88, 321,576.86 and 72,265.66
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Solution
The fourth proportional to 214,446.88, 321,576.86 and 72,265.66 is: 108,366.99
Step by Step Solution
- Step 1: Write the proportion equation
214,446.88 : 321,576.86 = 72,265.66 : x - Step 2: Convert to fraction form
214,446.88/321,576.86 = 72,265.66/x - Step 3: Cross multiply
214,446.88x = 321,576.86 × 72,265.66 - Step 4: Simplify right side
214,446.88x = 23,238,963,405.35 - Step 5: Solve for x
x = 23,238,963,405.35/214,446.88 - Step 6: Final answer
x = 108,366.99
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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.