Finding the Fourth Proportional to 111,212.99, 153,474.01 and 60,226.12
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Solution
The fourth proportional to 111,212.99, 153,474.01 and 60,226.12 is: 83,112.09
Step by Step Solution
- Step 1: Write the proportion equation
111,212.99 : 153,474.01 = 60,226.12 : x - Step 2: Convert to fraction form
111,212.99/153,474.01 = 60,226.12/x - Step 3: Cross multiply
111,212.99x = 153,474.01 × 60,226.12 - Step 4: Simplify right side
111,212.99x = 9,243,143,842.01 - Step 5: Solve for x
x = 9,243,143,842.01/111,212.99 - Step 6: Final answer
x = 83,112.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.