Finding the Fourth Proportional to 612,395.28, 918,610.20 and 169,163.28
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Solution
The fourth proportional to 612,395.28, 918,610.20 and 169,163.28 is: 253,749.69
Step by Step Solution
- Step 1: Write the proportion equation
612,395.28 : 918,610.20 = 169,163.28 : x - Step 2: Convert to fraction form
612,395.28/918,610.20 = 169,163.28/x - Step 3: Cross multiply
612,395.28x = 918,610.20 × 169,163.28 - Step 4: Simplify right side
612,395.28x = 155,395,114,473.46 - Step 5: Solve for x
x = 155,395,114,473.46/612,395.28 - Step 6: Final answer
x = 253,749.69
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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.