Finding the Fourth Proportional to 372,126.67, 513,583.85 and 361,993.99
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Solution
The fourth proportional to 372,126.67, 513,583.85 and 361,993.99 is: 499,599.41
Step by Step Solution
- Step 1: Write the proportion equation
372,126.67 : 513,583.85 = 361,993.99 : x - Step 2: Convert to fraction form
372,126.67/513,583.85 = 361,993.99/x - Step 3: Cross multiply
372,126.67x = 513,583.85 × 361,993.99 - Step 4: Simplify right side
372,126.67x = 185,914,265,251.09 - Step 5: Solve for x
x = 185,914,265,251.09/372,126.67 - Step 6: Final answer
x = 499,599.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.