Finding the Fourth Proportional to 202,287.60, 303,431.40 and 201,121.20
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Solution
The fourth proportional to 202,287.60, 303,431.40 and 201,121.20 is: 301,681.80
Step by Step Solution
- Step 1: Write the proportion equation
202,287.60 : 303,431.40 = 201,121.20 : x - Step 2: Convert to fraction form
202,287.60/303,431.40 = 201,121.20/x - Step 3: Cross multiply
202,287.60x = 303,431.40 × 201,121.20 - Step 4: Simplify right side
202,287.60x = 61,026,487,285.68 - Step 5: Solve for x
x = 61,026,487,285.68/202,287.60 - Step 6: Final answer
x = 301,681.80
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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.