Finding the Fourth Proportional to 352,987.68, 487,126.22 and 191,843.14
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Solution
The fourth proportional to 352,987.68, 487,126.22 and 191,843.14 is: 264,745.28
Step by Step Solution
- Step 1: Write the proportion equation
352,987.68 : 487,126.22 = 191,843.14 : x - Step 2: Convert to fraction form
352,987.68/487,126.22 = 191,843.14/x - Step 3: Cross multiply
352,987.68x = 487,126.22 × 191,843.14 - Step 4: Simplify right side
352,987.68x = 93,451,823,621.13 - Step 5: Solve for x
x = 93,451,823,621.13/352,987.68 - Step 6: Final answer
x = 264,745.28
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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.