Finding the Fourth Proportional to 418,079.72, 576,728.88 and 264,847.62
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Solution
The fourth proportional to 418,079.72, 576,728.88 and 264,847.62 is: 365,349.63
Step by Step Solution
- Step 1: Write the proportion equation
418,079.72 : 576,728.88 = 264,847.62 : x - Step 2: Convert to fraction form
418,079.72/576,728.88 = 264,847.62/x - Step 3: Cross multiply
418,079.72x = 576,728.88 × 264,847.62 - Step 4: Simplify right side
418,079.72x = 152,745,271,253.27 - Step 5: Solve for x
x = 152,745,271,253.27/418,079.72 - Step 6: Final answer
x = 365,349.63
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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.