Finding the Fourth Proportional to 202,190.25, 279,038.01 and 111,563.70
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Solution
The fourth proportional to 202,190.25, 279,038.01 and 111,563.70 is: 153,966.44
Step by Step Solution
- Step 1: Write the proportion equation
202,190.25 : 279,038.01 = 111,563.70 : x - Step 2: Convert to fraction form
202,190.25/279,038.01 = 111,563.70/x - Step 3: Cross multiply
202,190.25x = 279,038.01 × 111,563.70 - Step 4: Simplify right side
202,190.25x = 31,130,512,836.24 - Step 5: Solve for x
x = 31,130,512,836.24/202,190.25 - Step 6: Final answer
x = 153,966.44
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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.