Finding the Fourth Proportional to 68,960.18, 103,440.24 and 22,213.05
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Solution
The fourth proportional to 68,960.18, 103,440.24 and 22,213.05 is: 33,319.57
Step by Step Solution
- Step 1: Write the proportion equation
68,960.18 : 103,440.24 = 22,213.05 : x - Step 2: Convert to fraction form
68,960.18/103,440.24 = 22,213.05/x - Step 3: Cross multiply
68,960.18x = 103,440.24 × 22,213.05 - Step 4: Simplify right side
68,960.18x = 2,297,723,223.13 - Step 5: Solve for x
x = 2,297,723,223.13/68,960.18 - Step 6: Final answer
x = 33,319.57
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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.