Finding the Fourth Proportional to 274,673.62, 412,163.52 and 148,311.19
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Solution
The fourth proportional to 274,673.62, 412,163.52 and 148,311.19 is: 222,549.45
Step by Step Solution
- Step 1: Write the proportion equation
274,673.62 : 412,163.52 = 148,311.19 : x - Step 2: Convert to fraction form
274,673.62/412,163.52 = 148,311.19/x - Step 3: Cross multiply
274,673.62x = 412,163.52 × 148,311.19 - Step 4: Simplify right side
274,673.62x = 61,128,462,125.79 - Step 5: Solve for x
x = 61,128,462,125.79/274,673.62 - Step 6: Final answer
x = 222,549.45
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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.