Finding the Fourth Proportional to 111,477.24, 153,966.36 and 73,406.97
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Solution
The fourth proportional to 111,477.24, 153,966.36 and 73,406.97 is: 101,385.75
Step by Step Solution
- Step 1: Write the proportion equation
111,477.24 : 153,966.36 = 73,406.97 : x - Step 2: Convert to fraction form
111,477.24/153,966.36 = 73,406.97/x - Step 3: Cross multiply
111,477.24x = 153,966.36 × 73,406.97 - Step 4: Simplify right side
111,477.24x = 11,302,203,969.53 - Step 5: Solve for x
x = 11,302,203,969.53/111,477.24 - Step 6: Final answer
x = 101,385.75
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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.