Finding the Fourth Proportional to 422,161.14, 582,587.07 and 228,573.14
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Solution
The fourth proportional to 422,161.14, 582,587.07 and 228,573.14 is: 315,433.47
Step by Step Solution
- Step 1: Write the proportion equation
422,161.14 : 582,587.07 = 228,573.14 : x - Step 2: Convert to fraction form
422,161.14/582,587.07 = 228,573.14/x - Step 3: Cross multiply
422,161.14x = 582,587.07 × 228,573.14 - Step 4: Simplify right side
422,161.14x = 133,163,754,327.92 - Step 5: Solve for x
x = 133,163,754,327.92/422,161.14 - Step 6: Final answer
x = 315,433.47
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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.