Finding the Fourth Proportional to 475,418.91, 713,122.97 and 115,591.80
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Solution
The fourth proportional to 475,418.91, 713,122.97 and 115,591.80 is: 173,386.39
Step by Step Solution
- Step 1: Write the proportion equation
475,418.91 : 713,122.97 = 115,591.80 : x - Step 2: Convert to fraction form
475,418.91/713,122.97 = 115,591.80/x - Step 3: Cross multiply
475,418.91x = 713,122.97 × 115,591.80 - Step 4: Simplify right side
475,418.91x = 82,431,167,145.69 - Step 5: Solve for x
x = 82,431,167,145.69/475,418.91 - Step 6: Final answer
x = 173,386.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.