Finding the Fourth Proportional to 330,394.63, 455,944.99 and 179,491.63
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Solution
The fourth proportional to 330,394.63, 455,944.99 and 179,491.63 is: 247,698.66
Step by Step Solution
- Step 1: Write the proportion equation
330,394.63 : 455,944.99 = 179,491.63 : x - Step 2: Convert to fraction form
330,394.63/455,944.99 = 179,491.63/x - Step 3: Cross multiply
330,394.63x = 455,944.99 × 179,491.63 - Step 4: Simplify right side
330,394.63x = 81,838,306,716.98 - Step 5: Solve for x
x = 81,838,306,716.98/330,394.63 - Step 6: Final answer
x = 247,698.66
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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.