Finding the Fourth Proportional to 385,113.14, 577,671.34 and 252,830.42
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Solution
The fourth proportional to 385,113.14, 577,671.34 and 252,830.42 is: 379,246.70
Step by Step Solution
- Step 1: Write the proportion equation
385,113.14 : 577,671.34 = 252,830.42 : x - Step 2: Convert to fraction form
385,113.14/577,671.34 = 252,830.42/x - Step 3: Cross multiply
385,113.14x = 577,671.34 × 252,830.42 - Step 4: Simplify right side
385,113.14x = 146,052,887,514.16 - Step 5: Solve for x
x = 146,052,887,514.16/385,113.14 - Step 6: Final answer
x = 379,246.70
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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.