Finding the Fourth Proportional to 201,771.36, 278,451.62 and 125,332.32
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Solution
The fourth proportional to 201,771.36, 278,451.62 and 125,332.32 is: 172,963.04
Step by Step Solution
- Step 1: Write the proportion equation
201,771.36 : 278,451.62 = 125,332.32 : x - Step 2: Convert to fraction form
201,771.36/278,451.62 = 125,332.32/x - Step 3: Cross multiply
201,771.36x = 278,451.62 × 125,332.32 - Step 4: Simplify right side
201,771.36x = 34,898,987,999.24 - Step 5: Solve for x
x = 34,898,987,999.24/201,771.36 - Step 6: Final answer
x = 172,963.04
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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.