Finding the Fourth Proportional to 103,628.05, 155,442.08 and 101,324.05
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Solution
The fourth proportional to 103,628.05, 155,442.08 and 101,324.05 is: 151,986.08
Step by Step Solution
- Step 1: Write the proportion equation
103,628.05 : 155,442.08 = 101,324.05 : x - Step 2: Convert to fraction form
103,628.05/155,442.08 = 101,324.05/x - Step 3: Cross multiply
103,628.05x = 155,442.08 × 101,324.05 - Step 4: Simplify right side
103,628.05x = 15,750,021,086.02 - Step 5: Solve for x
x = 15,750,021,086.02/103,628.05 - Step 6: Final answer
x = 151,986.08
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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.