Finding the Fourth Proportional to 134,535.96, 201,804.19 and 126,315.23
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Solution
The fourth proportional to 134,535.96, 201,804.19 and 126,315.23 is: 189,473.08
Step by Step Solution
- Step 1: Write the proportion equation
134,535.96 : 201,804.19 = 126,315.23 : x - Step 2: Convert to fraction form
134,535.96/201,804.19 = 126,315.23/x - Step 3: Cross multiply
134,535.96x = 201,804.19 × 126,315.23 - Step 4: Simplify right side
134,535.96x = 25,490,942,674.81 - Step 5: Solve for x
x = 25,490,942,674.81/134,535.96 - Step 6: Final answer
x = 189,473.08
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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.