Finding the Fourth Proportional to 311,041.06, 466,556.01 and 100,679.20
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Solution
The fourth proportional to 311,041.06, 466,556.01 and 100,679.20 is: 151,016.99
Step by Step Solution
- Step 1: Write the proportion equation
311,041.06 : 466,556.01 = 100,679.20 : x - Step 2: Convert to fraction form
311,041.06/466,556.01 = 100,679.20/x - Step 3: Cross multiply
311,041.06x = 466,556.01 × 100,679.20 - Step 4: Simplify right side
311,041.06x = 46,972,485,841.99 - Step 5: Solve for x
x = 46,972,485,841.99/311,041.06 - Step 6: Final answer
x = 151,016.99
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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.