Finding the Fourth Proportional to 134,428.37, 201,642.56 and 125,570.21
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Solution
The fourth proportional to 134,428.37, 201,642.56 and 125,570.21 is: 188,355.32
Step by Step Solution
- Step 1: Write the proportion equation
134,428.37 : 201,642.56 = 125,570.21 : x - Step 2: Convert to fraction form
134,428.37/201,642.56 = 125,570.21/x - Step 3: Cross multiply
134,428.37x = 201,642.56 × 125,570.21 - Step 4: Simplify right side
134,428.37x = 25,320,297,976.29 - Step 5: Solve for x
x = 25,320,297,976.29/134,428.37 - Step 6: Final answer
x = 188,355.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.