Finding the Fourth Proportional to 321,874.70, 482,809.65 and 97,234.70
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Solution
The fourth proportional to 321,874.70, 482,809.65 and 97,234.70 is: 145,851.32
Step by Step Solution
- Step 1: Write the proportion equation
321,874.70 : 482,809.65 = 97,234.70 : x - Step 2: Convert to fraction form
321,874.70/482,809.65 = 97,234.70/x - Step 3: Cross multiply
321,874.70x = 482,809.65 × 97,234.70 - Step 4: Simplify right side
321,874.70x = 46,945,851,474.86 - Step 5: Solve for x
x = 46,945,851,474.86/321,874.70 - Step 6: Final answer
x = 145,851.32
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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.