Finding the Fourth Proportional to 230,974.80, 346,807.80 and 161,163.60
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Solution
The fourth proportional to 230,974.80, 346,807.80 and 161,163.60 is: 241,986.54
Step by Step Solution
- Step 1: Write the proportion equation
230,974.80 : 346,807.80 = 161,163.60 : x - Step 2: Convert to fraction form
230,974.80/346,807.80 = 161,163.60/x - Step 3: Cross multiply
230,974.80x = 346,807.80 × 161,163.60 - Step 4: Simplify right side
230,974.80x = 55,892,793,556.08 - Step 5: Solve for x
x = 55,892,793,556.08/230,974.80 - Step 6: Final answer
x = 241,986.54
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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.