Finding the Fourth Proportional to 201,214.60, 301,858.35 and 101,122.90
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Solution
The fourth proportional to 201,214.60, 301,858.35 and 101,122.90 is: 151,702.67
Step by Step Solution
- Step 1: Write the proportion equation
201,214.60 : 301,858.35 = 101,122.90 : x - Step 2: Convert to fraction form
201,214.60/301,858.35 = 101,122.90/x - Step 3: Cross multiply
201,214.60x = 301,858.35 × 101,122.90 - Step 4: Simplify right side
201,214.60x = 30,524,791,741.22 - Step 5: Solve for x
x = 30,524,791,741.22/201,214.60 - Step 6: Final answer
x = 151,702.67
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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.