Finding the Fourth Proportional to 265,788.74, 398,828.92 and 107,974.82
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Solution
The fourth proportional to 265,788.74, 398,828.92 and 107,974.82 is: 162,021.46
Step by Step Solution
- Step 1: Write the proportion equation
265,788.74 : 398,828.92 = 107,974.82 : x - Step 2: Convert to fraction form
265,788.74/398,828.92 = 107,974.82/x - Step 3: Cross multiply
265,788.74x = 398,828.92 × 107,974.82 - Step 4: Simplify right side
265,788.74x = 43,063,480,847.79 - Step 5: Solve for x
x = 43,063,480,847.79/265,788.74 - Step 6: Final answer
x = 162,021.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.