Finding the Fourth Proportional to 115,621.22, 173,497.44 and 45,549.74
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Solution
The fourth proportional to 115,621.22, 173,497.44 and 45,549.74 is: 68,350.46
Step by Step Solution
- Step 1: Write the proportion equation
115,621.22 : 173,497.44 = 45,549.74 : x - Step 2: Convert to fraction form
115,621.22/173,497.44 = 45,549.74/x - Step 3: Cross multiply
115,621.22x = 173,497.44 × 45,549.74 - Step 4: Simplify right side
115,621.22x = 7,902,763,887.22 - Step 5: Solve for x
x = 7,902,763,887.22/115,621.22 - Step 6: Final answer
x = 68,350.46
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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.