Finding the Fourth Proportional to 305,138.97, 457,645.91 and 115,533.92
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Solution
The fourth proportional to 305,138.97, 457,645.91 and 115,533.92 is: 173,277.20
Step by Step Solution
- Step 1: Write the proportion equation
305,138.97 : 457,645.91 = 115,533.92 : x - Step 2: Convert to fraction form
305,138.97/457,645.91 = 115,533.92/x - Step 3: Cross multiply
305,138.97x = 457,645.91 × 115,533.92 - Step 4: Simplify right side
305,138.97x = 52,873,626,520.71 - Step 5: Solve for x
x = 52,873,626,520.71/305,138.97 - Step 6: Final answer
x = 173,277.20
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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.