Finding the Fourth Proportional to 383,101.44, 574,652.16 and 133,777.92
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Solution
The fourth proportional to 383,101.44, 574,652.16 and 133,777.92 is: 200,666.88
Step by Step Solution
- Step 1: Write the proportion equation
383,101.44 : 574,652.16 = 133,777.92 : x - Step 2: Convert to fraction form
383,101.44/574,652.16 = 133,777.92/x - Step 3: Cross multiply
383,101.44x = 574,652.16 × 133,777.92 - Step 4: Simplify right side
383,101.44x = 76,875,770,688.31 - Step 5: Solve for x
x = 76,875,770,688.31/383,101.44 - Step 6: Final answer
x = 200,666.88
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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.