Finding the Fourth Proportional to 203,276.28, 280,531.68 and 122,702.76
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Solution
The fourth proportional to 203,276.28, 280,531.68 and 122,702.76 is: 169,336.09
Step by Step Solution
- Step 1: Write the proportion equation
203,276.28 : 280,531.68 = 122,702.76 : x - Step 2: Convert to fraction form
203,276.28/280,531.68 = 122,702.76/x - Step 3: Cross multiply
203,276.28x = 280,531.68 × 122,702.76 - Step 4: Simplify right side
203,276.28x = 34,422,011,403.44 - Step 5: Solve for x
x = 34,422,011,403.44/203,276.28 - Step 6: Final answer
x = 169,336.09
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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.