Finding the Fourth Proportional to 74,240.68, 111,212.68 and 44,642.32
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Solution
The fourth proportional to 74,240.68, 111,212.68 and 44,642.32 is: 66,874.28
Step by Step Solution
- Step 1: Write the proportion equation
74,240.68 : 111,212.68 = 44,642.32 : x - Step 2: Convert to fraction form
74,240.68/111,212.68 = 44,642.32/x - Step 3: Cross multiply
74,240.68x = 111,212.68 × 44,642.32 - Step 4: Simplify right side
74,240.68x = 4,964,792,048.62 - Step 5: Solve for x
x = 4,964,792,048.62/74,240.68 - Step 6: Final answer
x = 66,874.28
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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.