Finding the Fourth Proportional to 201,636.10, 302,454.15 and 191,794.60
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Solution
The fourth proportional to 201,636.10, 302,454.15 and 191,794.60 is: 287,691.90
Step by Step Solution
- Step 1: Write the proportion equation
201,636.10 : 302,454.15 = 191,794.60 : x - Step 2: Convert to fraction form
201,636.10/302,454.15 = 191,794.60/x - Step 3: Cross multiply
201,636.10x = 302,454.15 × 191,794.60 - Step 4: Simplify right side
201,636.10x = 58,009,072,717.59 - Step 5: Solve for x
x = 58,009,072,717.59/201,636.10 - Step 6: Final answer
x = 287,691.90
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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.