Finding the Fourth Proportional to 330,563.08, 495,844.61 and 218,216.97
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Solution
The fourth proportional to 330,563.08, 495,844.61 and 218,216.97 is: 327,325.45
Step by Step Solution
- Step 1: Write the proportion equation
330,563.08 : 495,844.61 = 218,216.97 : x - Step 2: Convert to fraction form
330,563.08/495,844.61 = 218,216.97/x - Step 3: Cross multiply
330,563.08x = 495,844.61 × 218,216.97 - Step 4: Simplify right side
330,563.08x = 108,201,707,293.95 - Step 5: Solve for x
x = 108,201,707,293.95/330,563.08 - Step 6: Final answer
x = 327,325.45
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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.