Finding the Fourth Proportional to 311,720.37, 467,412.85 and 161,588.49
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Solution
The fourth proportional to 311,720.37, 467,412.85 and 161,588.49 is: 242,295.80
Step by Step Solution
- Step 1: Write the proportion equation
311,720.37 : 467,412.85 = 161,588.49 : x - Step 2: Convert to fraction form
311,720.37/467,412.85 = 161,588.49/x - Step 3: Cross multiply
311,720.37x = 467,412.85 × 161,588.49 - Step 4: Simplify right side
311,720.37x = 75,528,536,638.10 - Step 5: Solve for x
x = 75,528,536,638.10/311,720.37 - Step 6: Final answer
x = 242,295.80
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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.