Finding the Fourth Proportional to 382,860.12, 574,552.98 and 133,542.12
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Solution
The fourth proportional to 382,860.12, 574,552.98 and 133,542.12 is: 200,404.84
Step by Step Solution
- Step 1: Write the proportion equation
382,860.12 : 574,552.98 = 133,542.12 : x - Step 2: Convert to fraction form
382,860.12/574,552.98 = 133,542.12/x - Step 3: Cross multiply
382,860.12x = 574,552.98 × 133,542.12 - Step 4: Simplify right side
382,860.12x = 76,727,023,001.52 - Step 5: Solve for x
x = 76,727,023,001.52/382,860.12 - Step 6: Final answer
x = 200,404.84
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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.