Finding the Fourth Proportional to 203,122.35, 280,284.71 and 125,585.91
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Solution
The fourth proportional to 203,122.35, 280,284.71 and 125,585.91 is: 173,293.63
Step by Step Solution
- Step 1: Write the proportion equation
203,122.35 : 280,284.71 = 125,585.91 : x - Step 2: Convert to fraction form
203,122.35/280,284.71 = 125,585.91/x - Step 3: Cross multiply
203,122.35x = 280,284.71 × 125,585.91 - Step 4: Simplify right side
203,122.35x = 35,199,809,736.51 - Step 5: Solve for x
x = 35,199,809,736.51/203,122.35 - Step 6: Final answer
x = 173,293.63
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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.