Finding the Fourth Proportional to 265,572.06, 398,357.01 and 107,799.18
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Solution
The fourth proportional to 265,572.06, 398,357.01 and 107,799.18 is: 161,698.33
Step by Step Solution
- Step 1: Write the proportion equation
265,572.06 : 398,357.01 = 107,799.18 : x - Step 2: Convert to fraction form
265,572.06/398,357.01 = 107,799.18/x - Step 3: Cross multiply
265,572.06x = 398,357.01 × 107,799.18 - Step 4: Simplify right side
265,572.06x = 42,942,559,025.25 - Step 5: Solve for x
x = 42,942,559,025.25/265,572.06 - Step 6: Final answer
x = 161,698.33
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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.