Finding the Fourth Proportional to 330,135.05, 495,235.38 and 119,789.39
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Solution
The fourth proportional to 330,135.05, 495,235.38 and 119,789.39 is: 179,695.99
Step by Step Solution
- Step 1: Write the proportion equation
330,135.05 : 495,235.38 = 119,789.39 : x - Step 2: Convert to fraction form
330,135.05/495,235.38 = 119,789.39/x - Step 3: Cross multiply
330,135.05x = 495,235.38 × 119,789.39 - Step 4: Simplify right side
330,135.05x = 59,323,944,076.62 - Step 5: Solve for x
x = 59,323,944,076.62/330,135.05 - Step 6: Final answer
x = 179,695.99
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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.