Finding the Fourth Proportional to 207,220.18, 285,963.36 and 116,576.12
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Solution
The fourth proportional to 207,220.18, 285,963.36 and 116,576.12 is: 160,874.77
Step by Step Solution
- Step 1: Write the proportion equation
207,220.18 : 285,963.36 = 116,576.12 : x - Step 2: Convert to fraction form
207,220.18/285,963.36 = 116,576.12/x - Step 3: Cross multiply
207,220.18x = 285,963.36 × 116,576.12 - Step 4: Simplify right side
207,220.18x = 33,336,499,050.67 - Step 5: Solve for x
x = 33,336,499,050.67/207,220.18 - Step 6: Final answer
x = 160,874.77
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1.5x scale
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.