Finding the Fourth Proportional to 298,669.42, 412,163.62 and 164,533.42
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Solution
The fourth proportional to 298,669.42, 412,163.62 and 164,533.42 is: 227,056.02
Step by Step Solution
- Step 1: Write the proportion equation
298,669.42 : 412,163.62 = 164,533.42 : x - Step 2: Convert to fraction form
298,669.42/412,163.62 = 164,533.42/x - Step 3: Cross multiply
298,669.42x = 412,163.62 × 164,533.42 - Step 4: Simplify right side
298,669.42x = 67,814,689,998.18 - Step 5: Solve for x
x = 67,814,689,998.18/298,669.42 - Step 6: Final answer
x = 227,056.02
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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.