Finding the Fourth Proportional to 329,163.12, 454,253.40 and 201,908.88
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Solution
The fourth proportional to 329,163.12, 454,253.40 and 201,908.88 is: 278,639.34
Step by Step Solution
- Step 1: Write the proportion equation
329,163.12 : 454,253.40 = 201,908.88 : x - Step 2: Convert to fraction form
329,163.12/454,253.40 = 201,908.88/x - Step 3: Cross multiply
329,163.12x = 454,253.40 × 201,908.88 - Step 4: Simplify right side
329,163.12x = 91,717,795,230.19 - Step 5: Solve for x
x = 91,717,795,230.19/329,163.12 - Step 6: Final answer
x = 278,639.34
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1.5x scale
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.