Finding the Fourth Proportional to 201,230.60, 301,845.90 and 130,371.80
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Solution
The fourth proportional to 201,230.60, 301,845.90 and 130,371.80 is: 195,557.70
Step by Step Solution
- Step 1: Write the proportion equation
201,230.60 : 301,845.90 = 130,371.80 : x - Step 2: Convert to fraction form
201,230.60/301,845.90 = 130,371.80/x - Step 3: Cross multiply
201,230.60x = 301,845.90 × 130,371.80 - Step 4: Simplify right side
201,230.60x = 39,352,193,305.62 - Step 5: Solve for x
x = 39,352,193,305.62/201,230.60 - Step 6: Final answer
x = 195,557.70
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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.