Finding the Fourth Proportional to 149,722.20, 224,615.70 and 44,551.80
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Solution
The fourth proportional to 149,722.20, 224,615.70 and 44,551.80 is: 66,837.34
Step by Step Solution
- Step 1: Write the proportion equation
149,722.20 : 224,615.70 = 44,551.80 : x - Step 2: Convert to fraction form
149,722.20/224,615.70 = 44,551.80/x - Step 3: Cross multiply
149,722.20x = 224,615.70 × 44,551.80 - Step 4: Simplify right side
149,722.20x = 10,007,033,743.26 - Step 5: Solve for x
x = 10,007,033,743.26/149,722.20 - Step 6: Final answer
x = 66,837.34
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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.