Finding the Fourth Proportional to 385,615.08, 578,423.70 and 227,626.20
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Solution
The fourth proportional to 385,615.08, 578,423.70 and 227,626.20 is: 341,439.94
Step by Step Solution
- Step 1: Write the proportion equation
385,615.08 : 578,423.70 = 227,626.20 : x - Step 2: Convert to fraction form
385,615.08/578,423.70 = 227,626.20/x - Step 3: Cross multiply
385,615.08x = 578,423.70 × 227,626.20 - Step 4: Simplify right side
385,615.08x = 131,664,388,820.94 - Step 5: Solve for x
x = 131,664,388,820.94/385,615.08 - Step 6: Final answer
x = 341,439.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.