Finding the Fourth Proportional to 330,163.16, 495,318.18 and 119,796.44
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Solution
The fourth proportional to 330,163.16, 495,318.18 and 119,796.44 is: 179,721.31
Step by Step Solution
- Step 1: Write the proportion equation
330,163.16 : 495,318.18 = 119,796.44 : x - Step 2: Convert to fraction form
330,163.16/495,318.18 = 119,796.44/x - Step 3: Cross multiply
330,163.16x = 495,318.18 × 119,796.44 - Step 4: Simplify right side
330,163.16x = 59,337,354,631.28 - Step 5: Solve for x
x = 59,337,354,631.28/330,163.16 - Step 6: Final answer
x = 179,721.31
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1.5x scale
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.