Finding the Fourth Proportional to 212,163.24, 292,793.21 and 127,263.90
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Solution
The fourth proportional to 212,163.24, 292,793.21 and 127,263.90 is: 175,628.94
Step by Step Solution
- Step 1: Write the proportion equation
212,163.24 : 292,793.21 = 127,263.90 : x - Step 2: Convert to fraction form
212,163.24/292,793.21 = 127,263.90/x - Step 3: Cross multiply
212,163.24x = 292,793.21 × 127,263.90 - Step 4: Simplify right side
212,163.24x = 37,262,005,798.12 - Step 5: Solve for x
x = 37,262,005,798.12/212,163.24 - Step 6: Final answer
x = 175,628.94
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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.