Finding the Fourth Proportional to 135,220.40, 202,830.60 and 35,380.40
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Solution
The fourth proportional to 135,220.40, 202,830.60 and 35,380.40 is: 53,070.60
Step by Step Solution
- Step 1: Write the proportion equation
135,220.40 : 202,830.60 = 35,380.40 : x - Step 2: Convert to fraction form
135,220.40/202,830.60 = 35,380.40/x - Step 3: Cross multiply
135,220.40x = 202,830.60 × 35,380.40 - Step 4: Simplify right side
135,220.40x = 7,176,227,760.24 - Step 5: Solve for x
x = 7,176,227,760.24/135,220.40 - Step 6: Final answer
x = 53,070.60
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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.