Finding the Fourth Proportional to 321,793.36, 482,768.07 and 97,140.38
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Solution
The fourth proportional to 321,793.36, 482,768.07 and 97,140.38 is: 145,734.12
Step by Step Solution
- Step 1: Write the proportion equation
321,793.36 : 482,768.07 = 97,140.38 : x - Step 2: Convert to fraction form
321,793.36/482,768.07 = 97,140.38/x - Step 3: Cross multiply
321,793.36x = 482,768.07 × 97,140.38 - Step 4: Simplify right side
321,793.36x = 46,896,272,564.75 - Step 5: Solve for x
x = 46,896,272,564.75/321,793.36 - Step 6: Final answer
x = 145,734.12
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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.