Finding the Fourth Proportional to 330,272.21, 495,405.66 and 196,265.00
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Solution
The fourth proportional to 330,272.21, 495,405.66 and 196,265.00 is: 294,395.92
Step by Step Solution
- Step 1: Write the proportion equation
330,272.21 : 495,405.66 = 196,265.00 : x - Step 2: Convert to fraction form
330,272.21/495,405.66 = 196,265.00/x - Step 3: Cross multiply
330,272.21x = 495,405.66 × 196,265.00 - Step 4: Simplify right side
330,272.21x = 97,230,789,382.87 - Step 5: Solve for x
x = 97,230,789,382.87/330,272.21 - Step 6: Final answer
x = 294,395.92
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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.