Finding the Fourth Proportional to 201,139.23, 277,524.29 and 113,925.09
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Solution
The fourth proportional to 201,139.23, 277,524.29 and 113,925.09 is: 157,189.52
Step by Step Solution
- Step 1: Write the proportion equation
201,139.23 : 277,524.29 = 113,925.09 : x - Step 2: Convert to fraction form
201,139.23/277,524.29 = 113,925.09/x - Step 3: Cross multiply
201,139.23x = 277,524.29 × 113,925.09 - Step 4: Simplify right side
201,139.23x = 31,616,979,779.81 - Step 5: Solve for x
x = 31,616,979,779.81/201,139.23 - Step 6: Final answer
x = 157,189.52
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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.