Finding the Fourth Proportional to 330,119.62, 455,566.97 and 194,159.30
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Solution
The fourth proportional to 330,119.62, 455,566.97 and 194,159.30 is: 267,940.94
Step by Step Solution
- Step 1: Write the proportion equation
330,119.62 : 455,566.97 = 194,159.30 : x - Step 2: Convert to fraction form
330,119.62/455,566.97 = 194,159.30/x - Step 3: Cross multiply
330,119.62x = 455,566.97 × 194,159.30 - Step 4: Simplify right side
330,119.62x = 88,452,561,113.74 - Step 5: Solve for x
x = 88,452,561,113.74/330,119.62 - Step 6: Final answer
x = 267,940.94
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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.