Finding the Fourth Proportional to 277,119.05, 382,424.12 and 149,794.65
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Solution
The fourth proportional to 277,119.05, 382,424.12 and 149,794.65 is: 206,716.52
Step by Step Solution
- Step 1: Write the proportion equation
277,119.05 : 382,424.12 = 149,794.65 : x - Step 2: Convert to fraction form
277,119.05/382,424.12 = 149,794.65/x - Step 3: Cross multiply
277,119.05x = 382,424.12 × 149,794.65 - Step 4: Simplify right side
277,119.05x = 57,285,086,786.74 - Step 5: Solve for x
x = 57,285,086,786.74/277,119.05 - Step 6: Final answer
x = 206,716.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.