Finding the Fourth Proportional to 326,576.40, 489,882.84 and 101,967.84
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Solution
The fourth proportional to 326,576.40, 489,882.84 and 101,967.84 is: 152,957.46
Step by Step Solution
- Step 1: Write the proportion equation
326,576.40 : 489,882.84 = 101,967.84 : x - Step 2: Convert to fraction form
326,576.40/489,882.84 = 101,967.84/x - Step 3: Cross multiply
326,576.40x = 489,882.84 × 101,967.84 - Step 4: Simplify right side
326,576.40x = 49,952,295,047.87 - Step 5: Solve for x
x = 49,952,295,047.87/326,576.40 - Step 6: Final answer
x = 152,957.46
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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.