Finding the Fourth Proportional to 422,028.48, 582,438.88 and 252,258.96
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Solution
The fourth proportional to 422,028.48, 582,438.88 and 252,258.96 is: 348,141.02
Step by Step Solution
- Step 1: Write the proportion equation
422,028.48 : 582,438.88 = 252,258.96 : x - Step 2: Convert to fraction form
422,028.48/582,438.88 = 252,258.96/x - Step 3: Cross multiply
422,028.48x = 582,438.88 × 252,258.96 - Step 4: Simplify right side
422,028.48x = 146,925,426,132.37 - Step 5: Solve for x
x = 146,925,426,132.37/422,028.48 - Step 6: Final answer
x = 348,141.02
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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.