Finding the Fourth Proportional to 200,140.12, 276,187.26 and 119,549.44
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Solution
The fourth proportional to 200,140.12, 276,187.26 and 119,549.44 is: 164,974.58
Step by Step Solution
- Step 1: Write the proportion equation
200,140.12 : 276,187.26 = 119,549.44 : x - Step 2: Convert to fraction form
200,140.12/276,187.26 = 119,549.44/x - Step 3: Cross multiply
200,140.12x = 276,187.26 × 119,549.44 - Step 4: Simplify right side
200,140.12x = 33,018,032,268.13 - Step 5: Solve for x
x = 33,018,032,268.13/200,140.12 - Step 6: Final answer
x = 164,974.58
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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.