Finding the Fourth Proportional to 122,147.36, 183,247.20 and 37,905.68
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Solution
The fourth proportional to 122,147.36, 183,247.20 and 37,905.68 is: 56,866.64
Step by Step Solution
- Step 1: Write the proportion equation
122,147.36 : 183,247.20 = 37,905.68 : x - Step 2: Convert to fraction form
122,147.36/183,247.20 = 37,905.68/x - Step 3: Cross multiply
122,147.36x = 183,247.20 × 37,905.68 - Step 4: Simplify right side
122,147.36x = 6,946,109,724.10 - Step 5: Solve for x
x = 6,946,109,724.10/122,147.36 - Step 6: Final answer
x = 56,866.64
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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.