Finding the Fourth Proportional to 111,578.04, 167,656.86 and 104,288.99
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Solution
The fourth proportional to 111,578.04, 167,656.86 and 104,288.99 is: 156,704.35
Step by Step Solution
- Step 1: Write the proportion equation
111,578.04 : 167,656.86 = 104,288.99 : x - Step 2: Convert to fraction form
111,578.04/167,656.86 = 104,288.99/x - Step 3: Cross multiply
111,578.04x = 167,656.86 × 104,288.99 - Step 4: Simplify right side
111,578.04x = 17,484,763,757.69 - Step 5: Solve for x
x = 17,484,763,757.69/111,578.04 - Step 6: Final answer
x = 156,704.35
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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.