Finding the Fourth Proportional to 372,053.63, 513,433.33 and 202,287.35
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Solution
The fourth proportional to 372,053.63, 513,433.33 and 202,287.35 is: 279,156.17
Step by Step Solution
- Step 1: Write the proportion equation
372,053.63 : 513,433.33 = 202,287.35 : x - Step 2: Convert to fraction form
372,053.63/513,433.33 = 202,287.35/x - Step 3: Cross multiply
372,053.63x = 513,433.33 × 202,287.35 - Step 4: Simplify right side
372,053.63x = 103,861,068,505.24 - Step 5: Solve for x
x = 103,861,068,505.24/372,053.63 - Step 6: Final answer
x = 279,156.17
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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.