Finding the Fourth Proportional to 461,135.93, 636,259.22 and 279,843.75
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Solution
The fourth proportional to 461,135.93, 636,259.22 and 279,843.75 is: 386,118.62
Step by Step Solution
- Step 1: Write the proportion equation
461,135.93 : 636,259.22 = 279,843.75 : x - Step 2: Convert to fraction form
461,135.93/636,259.22 = 279,843.75/x - Step 3: Cross multiply
461,135.93x = 636,259.22 × 279,843.75 - Step 4: Simplify right side
461,135.93x = 178,053,165,747.07 - Step 5: Solve for x
x = 178,053,165,747.07/461,135.93 - Step 6: Final answer
x = 386,118.62
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1.5x scale
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.