Finding the Fourth Proportional to 421,926.06, 582,258.66 and 230,951.55
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Solution
The fourth proportional to 421,926.06, 582,258.66 and 230,951.55 is: 318,713.52
Step by Step Solution
- Step 1: Write the proportion equation
421,926.06 : 582,258.66 = 230,951.55 : x - Step 2: Convert to fraction form
421,926.06/582,258.66 = 230,951.55/x - Step 3: Cross multiply
421,926.06x = 582,258.66 × 230,951.55 - Step 4: Simplify right side
421,926.06x = 134,473,540,027.92 - Step 5: Solve for x
x = 134,473,540,027.92/421,926.06 - Step 6: Final answer
x = 318,713.52
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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.