Finding the Fourth Proportional to 277,416.21, 416,091.74 and 77,752.68
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Solution
The fourth proportional to 277,416.21, 416,091.74 and 77,752.68 is: 116,619.88
Step by Step Solution
- Step 1: Write the proportion equation
277,416.21 : 416,091.74 = 77,752.68 : x - Step 2: Convert to fraction form
277,416.21/416,091.74 = 77,752.68/x - Step 3: Cross multiply
277,416.21x = 416,091.74 × 77,752.68 - Step 4: Simplify right side
277,416.21x = 32,352,245,961.76 - Step 5: Solve for x
x = 32,352,245,961.76/277,416.21 - Step 6: Final answer
x = 116,619.88
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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.