Finding the Fourth Proportional to 115,396.04, 172,962.84 and 48,794.60
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Solution
The fourth proportional to 115,396.04, 172,962.84 and 48,794.60 is: 73,136.42
Step by Step Solution
- Step 1: Write the proportion equation
115,396.04 : 172,962.84 = 48,794.60 : x - Step 2: Convert to fraction form
115,396.04/172,962.84 = 48,794.60/x - Step 3: Cross multiply
115,396.04x = 172,962.84 × 48,794.60 - Step 4: Simplify right side
115,396.04x = 8,439,653,208.05 - Step 5: Solve for x
x = 8,439,653,208.05/115,396.04 - Step 6: Final answer
x = 73,136.42
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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.