Finding the Fourth Proportional to 265,197.48, 397,797.30 and 107,428.92
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Solution
The fourth proportional to 265,197.48, 397,797.30 and 107,428.92 is: 161,143.82
Step by Step Solution
- Step 1: Write the proportion equation
265,197.48 : 397,797.30 = 107,428.92 : x - Step 2: Convert to fraction form
265,197.48/397,797.30 = 107,428.92/x - Step 3: Cross multiply
265,197.48x = 397,797.30 × 107,428.92 - Step 4: Simplify right side
265,197.48x = 42,734,934,317.92 - Step 5: Solve for x
x = 42,734,934,317.92/265,197.48 - Step 6: Final answer
x = 161,143.82
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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.