Finding the Fourth Proportional to 372,026.25, 513,399.87 and 202,264.02
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Solution
The fourth proportional to 372,026.25, 513,399.87 and 202,264.02 is: 279,126.33
Step by Step Solution
- Step 1: Write the proportion equation
372,026.25 : 513,399.87 = 202,264.02 : x - Step 2: Convert to fraction form
372,026.25/513,399.87 = 202,264.02/x - Step 3: Cross multiply
372,026.25x = 513,399.87 × 202,264.02 - Step 4: Simplify right side
372,026.25x = 103,842,321,573.68 - Step 5: Solve for x
x = 103,842,321,573.68/372,026.25 - Step 6: Final answer
x = 279,126.33
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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.