Finding the Fourth Proportional to 277,253.91, 382,608.99 and 149,929.20
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Solution
The fourth proportional to 277,253.91, 382,608.99 and 149,929.20 is: 206,901.54
Step by Step Solution
- Step 1: Write the proportion equation
277,253.91 : 382,608.99 = 149,929.20 : x - Step 2: Convert to fraction form
277,253.91/382,608.99 = 149,929.20/x - Step 3: Cross multiply
277,253.91x = 382,608.99 × 149,929.20 - Step 4: Simplify right side
277,253.91x = 57,364,259,783.51 - Step 5: Solve for x
x = 57,364,259,783.51/277,253.91 - Step 6: Final answer
x = 206,901.54
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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.