Finding the Fourth Proportional to 522,166.50, 783,324.50 and 198,073.76
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Solution
The fourth proportional to 522,166.50, 783,324.50 and 198,073.76 is: 297,138.99
Step by Step Solution
- Step 1: Write the proportion equation
522,166.50 : 783,324.50 = 198,073.76 : x - Step 2: Convert to fraction form
522,166.50/783,324.50 = 198,073.76/x - Step 3: Cross multiply
522,166.50x = 783,324.50 × 198,073.76 - Step 4: Simplify right side
522,166.50x = 155,156,024,108.13 - Step 5: Solve for x
x = 155,156,024,108.13/522,166.50 - Step 6: Final answer
x = 297,138.99
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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.