Finding the Fourth Proportional to 372,351.18, 513,857.43 and 202,591.74
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Solution
The fourth proportional to 372,351.18, 513,857.43 and 202,591.74 is: 279,583.57
Step by Step Solution
- Step 1: Write the proportion equation
372,351.18 : 513,857.43 = 202,591.74 : x - Step 2: Convert to fraction form
372,351.18/513,857.43 = 202,591.74/x - Step 3: Cross multiply
372,351.18x = 513,857.43 × 202,591.74 - Step 4: Simplify right side
372,351.18x = 104,103,270,855.63 - Step 5: Solve for x
x = 104,103,270,855.63/372,351.18 - Step 6: Final answer
x = 279,583.57
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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.