Finding the Fourth Proportional to 379,509.62, 569,357.85 and 267,408.75
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Solution
The fourth proportional to 379,509.62, 569,357.85 and 267,408.75 is: 401,178.96
Step by Step Solution
- Step 1: Write the proportion equation
379,509.62 : 569,357.85 = 267,408.75 : x - Step 2: Convert to fraction form
379,509.62/569,357.85 = 267,408.75/x - Step 3: Cross multiply
379,509.62x = 569,357.85 × 267,408.75 - Step 4: Simplify right side
379,509.62x = 152,251,270,971.19 - Step 5: Solve for x
x = 152,251,270,971.19/379,509.62 - Step 6: Final answer
x = 401,178.96
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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.