Finding the Fourth Proportional to 303,629.80, 454,547.58 and 290,639.08
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Solution
The fourth proportional to 303,629.80, 454,547.58 and 290,639.08 is: 435,099.88
Step by Step Solution
- Step 1: Write the proportion equation
303,629.80 : 454,547.58 = 290,639.08 : x - Step 2: Convert to fraction form
303,629.80/454,547.58 = 290,639.08/x - Step 3: Cross multiply
303,629.80x = 454,547.58 × 290,639.08 - Step 4: Simplify right side
303,629.80x = 132,109,290,467.43 - Step 5: Solve for x
x = 132,109,290,467.43/303,629.80 - Step 6: Final answer
x = 435,099.88
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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.