Finding the Fourth Proportional to 330,136.62, 455,590.38 and 194,176.26
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Solution
The fourth proportional to 330,136.62, 455,590.38 and 194,176.26 is: 267,964.32
Step by Step Solution
- Step 1: Write the proportion equation
330,136.62 : 455,590.38 = 194,176.26 : x - Step 2: Convert to fraction form
330,136.62/455,590.38 = 194,176.26/x - Step 3: Cross multiply
330,136.62x = 455,590.38 × 194,176.26 - Step 4: Simplify right side
330,136.62x = 88,464,836,080.38 - Step 5: Solve for x
x = 88,464,836,080.38/330,136.62 - Step 6: Final answer
x = 267,964.32
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1.5x scale
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.