Finding the Fourth Proportional to 348,542.10, 522,121.95 and 207,882.90
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Solution
The fourth proportional to 348,542.10, 522,121.95 and 207,882.90 is: 311,412.09
Step by Step Solution
- Step 1: Write the proportion equation
348,542.10 : 522,121.95 = 207,882.90 : x - Step 2: Convert to fraction form
348,542.10/522,121.95 = 207,882.90/x - Step 3: Cross multiply
348,542.10x = 522,121.95 × 207,882.90 - Step 4: Simplify right side
348,542.10x = 108,540,225,119.66 - Step 5: Solve for x
x = 108,540,225,119.66/348,542.10 - Step 6: Final answer
x = 311,412.09
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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.