Finding the Fourth Proportional to 111,205.95, 166,830.72 and 36,305.99
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Solution
The fourth proportional to 111,205.95, 166,830.72 and 36,305.99 is: 54,466.09
Step by Step Solution
- Step 1: Write the proportion equation
111,205.95 : 166,830.72 = 36,305.99 : x - Step 2: Convert to fraction form
111,205.95/166,830.72 = 36,305.99/x - Step 3: Cross multiply
111,205.95x = 166,830.72 × 36,305.99 - Step 4: Simplify right side
111,205.95x = 6,056,953,617.86 - Step 5: Solve for x
x = 6,056,953,617.86/111,205.95 - Step 6: Final answer
x = 54,466.09
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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.