Finding the Fourth Proportional to 385,379.36, 578,156.88 and 207,882.44
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Solution
The fourth proportional to 385,379.36, 578,156.88 and 207,882.44 is: 311,871.04
Step by Step Solution
- Step 1: Write the proportion equation
385,379.36 : 578,156.88 = 207,882.44 : x - Step 2: Convert to fraction form
385,379.36/578,156.88 = 207,882.44/x - Step 3: Cross multiply
385,379.36x = 578,156.88 × 207,882.44 - Step 4: Simplify right side
385,379.36x = 120,188,662,917.19 - Step 5: Solve for x
x = 120,188,662,917.19/385,379.36 - Step 6: Final answer
x = 311,871.04
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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.