Finding the Fourth Proportional to 771,189.92, 1,156,750.84 and 210,224.44
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Solution
The fourth proportional to 771,189.92, 1,156,750.84 and 210,224.44 is: 315,327.38
Step by Step Solution
- Step 1: Write the proportion equation
771,189.92 : 1,156,750.84 = 210,224.44 : x - Step 2: Convert to fraction form
771,189.92/1,156,750.84 = 210,224.44/x - Step 3: Cross multiply
771,189.92x = 1,156,750.84 × 210,224.44 - Step 4: Simplify right side
771,189.92x = 243,177,297,558.53 - Step 5: Solve for x
x = 243,177,297,558.53/771,189.92 - Step 6: Final answer
x = 315,327.38
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1.5x scale
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.