Finding the Fourth Proportional to 330,376.88, 455,920.09 and 179,473.88
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Solution
The fourth proportional to 330,376.88, 455,920.09 and 179,473.88 is: 247,673.95
Step by Step Solution
- Step 1: Write the proportion equation
330,376.88 : 455,920.09 = 179,473.88 : x - Step 2: Convert to fraction form
330,376.88/455,920.09 = 179,473.88/x - Step 3: Cross multiply
330,376.88x = 455,920.09 × 179,473.88 - Step 4: Simplify right side
330,376.88x = 81,825,747,522.25 - Step 5: Solve for x
x = 81,825,747,522.25/330,376.88 - Step 6: Final answer
x = 247,673.95
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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.