Finding the Fourth Proportional to 111,447.36, 167,170.68 and 28,341.36
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Solution
The fourth proportional to 111,447.36, 167,170.68 and 28,341.36 is: 42,511.95
Step by Step Solution
- Step 1: Write the proportion equation
111,447.36 : 167,170.68 = 28,341.36 : x - Step 2: Convert to fraction form
111,447.36/167,170.68 = 28,341.36/x - Step 3: Cross multiply
111,447.36x = 167,170.68 × 28,341.36 - Step 4: Simplify right side
111,447.36x = 4,737,844,423.32 - Step 5: Solve for x
x = 4,737,844,423.32/111,447.36 - Step 6: Final answer
x = 42,511.95
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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.