Finding the Fourth Proportional to 598,072.78, 897,198.77 and 193,129.68
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Solution
The fourth proportional to 598,072.78, 897,198.77 and 193,129.68 is: 289,723.45
Step by Step Solution
- Step 1: Write the proportion equation
598,072.78 : 897,198.77 = 193,129.68 : x - Step 2: Convert to fraction form
598,072.78/897,198.77 = 193,129.68/x - Step 3: Cross multiply
598,072.78x = 897,198.77 × 193,129.68 - Step 4: Simplify right side
598,072.78x = 173,275,711,346.49 - Step 5: Solve for x
x = 173,275,711,346.49/598,072.78 - Step 6: Final answer
x = 289,723.45
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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.