Finding the Fourth Proportional to 311,984.13, 467,976.21 and 101,622.06
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Solution
The fourth proportional to 311,984.13, 467,976.21 and 101,622.06 is: 152,433.09
Step by Step Solution
- Step 1: Write the proportion equation
311,984.13 : 467,976.21 = 101,622.06 : x - Step 2: Convert to fraction form
311,984.13/467,976.21 = 101,622.06/x - Step 3: Cross multiply
311,984.13x = 467,976.21 × 101,622.06 - Step 4: Simplify right side
311,984.13x = 47,556,706,491.19 - Step 5: Solve for x
x = 47,556,706,491.19/311,984.13 - Step 6: Final answer
x = 152,433.09
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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.