Finding the Fourth Proportional to 277,642.26, 416,971.80 and 254,219.49
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Solution
The fourth proportional to 277,642.26, 416,971.80 and 254,219.49 is: 381,794.75
Step by Step Solution
- Step 1: Write the proportion equation
277,642.26 : 416,971.80 = 254,219.49 : x - Step 2: Convert to fraction form
277,642.26/416,971.80 = 254,219.49/x - Step 3: Cross multiply
277,642.26x = 416,971.80 × 254,219.49 - Step 4: Simplify right side
277,642.26x = 106,002,358,340.38 - Step 5: Solve for x
x = 106,002,358,340.38/277,642.26 - Step 6: Final answer
x = 381,794.75
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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.