Finding the Fourth Proportional to 330,578.97, 456,386.39 and 252,908.55
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Solution
The fourth proportional to 330,578.97, 456,386.39 and 252,908.55 is: 349,157.17
Step by Step Solution
- Step 1: Write the proportion equation
330,578.97 : 456,386.39 = 252,908.55 : x - Step 2: Convert to fraction form
330,578.97/456,386.39 = 252,908.55/x - Step 3: Cross multiply
330,578.97x = 456,386.39 × 252,908.55 - Step 4: Simplify right side
330,578.97x = 115,424,018,870.09 - Step 5: Solve for x
x = 115,424,018,870.09/330,578.97 - Step 6: Final answer
x = 349,157.17
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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.