Finding the Fourth Proportional to 201,566.07, 277,862.99 and 128,961.14
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Solution
The fourth proportional to 201,566.07, 277,862.99 and 128,961.14 is: 177,775.58
Step by Step Solution
- Step 1: Write the proportion equation
201,566.07 : 277,862.99 = 128,961.14 : x - Step 2: Convert to fraction form
201,566.07/277,862.99 = 128,961.14/x - Step 3: Cross multiply
201,566.07x = 277,862.99 × 128,961.14 - Step 4: Simplify right side
201,566.07x = 35,833,525,920.09 - Step 5: Solve for x
x = 35,833,525,920.09/201,566.07 - Step 6: Final answer
x = 177,775.58
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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.