Finding the Fourth Proportional to 135,329.10, 202,993.65 and 130,145.10
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Solution
The fourth proportional to 135,329.10, 202,993.65 and 130,145.10 is: 195,217.65
Step by Step Solution
- Step 1: Write the proportion equation
135,329.10 : 202,993.65 = 130,145.10 : x - Step 2: Convert to fraction form
135,329.10/202,993.65 = 130,145.10/x - Step 3: Cross multiply
135,329.10x = 202,993.65 × 130,145.10 - Step 4: Simplify right side
135,329.10x = 26,418,628,878.62 - Step 5: Solve for x
x = 26,418,628,878.62/135,329.10 - Step 6: Final answer
x = 195,217.65
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1.5x scale
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.