Finding the Fourth Proportional to 886,487.26, 1,329,730.88 and 221,639.26
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Solution
The fourth proportional to 886,487.26, 1,329,730.88 and 221,639.26 is: 332,458.89
Step by Step Solution
- Step 1: Write the proportion equation
886,487.26 : 1,329,730.88 = 221,639.26 : x - Step 2: Convert to fraction form
886,487.26/1,329,730.88 = 221,639.26/x - Step 3: Cross multiply
886,487.26x = 1,329,730.88 × 221,639.26 - Step 4: Simplify right side
886,487.26x = 294,720,568,242.35 - Step 5: Solve for x
x = 294,720,568,242.35/886,487.26 - Step 6: Final answer
x = 332,458.89
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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.