Finding the Fourth Proportional to 277,720.74, 416,246.06 and 127,755.32
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Solution
The fourth proportional to 277,720.74, 416,246.06 and 127,755.32 is: 191,478.84
Step by Step Solution
- Step 1: Write the proportion equation
277,720.74 : 416,246.06 = 127,755.32 : x - Step 2: Convert to fraction form
277,720.74/416,246.06 = 127,755.32/x - Step 3: Cross multiply
277,720.74x = 416,246.06 × 127,755.32 - Step 4: Simplify right side
277,720.74x = 53,177,645,874.03 - Step 5: Solve for x
x = 53,177,645,874.03/277,720.74 - Step 6: Final answer
x = 191,478.84
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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.