Finding the Fourth Proportional to 190,887.44, 263,427.80 and 104,854.37
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Solution
The fourth proportional to 190,887.44, 263,427.80 and 104,854.37 is: 144,700.75
Step by Step Solution
- Step 1: Write the proportion equation
190,887.44 : 263,427.80 = 104,854.37 : x - Step 2: Convert to fraction form
190,887.44/263,427.80 = 104,854.37/x - Step 3: Cross multiply
190,887.44x = 263,427.80 × 104,854.37 - Step 4: Simplify right side
190,887.44x = 27,621,554,168.08 - Step 5: Solve for x
x = 27,621,554,168.08/190,887.44 - Step 6: Final answer
x = 144,700.75
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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.