Finding the Fourth Proportional to 197,845.95, 273,040.80 and 111,775.08
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Solution
The fourth proportional to 197,845.95, 273,040.80 and 111,775.08 is: 154,257.17
Step by Step Solution
- Step 1: Write the proportion equation
197,845.95 : 273,040.80 = 111,775.08 : x - Step 2: Convert to fraction form
197,845.95/273,040.80 = 111,775.08/x - Step 3: Cross multiply
197,845.95x = 273,040.80 × 111,775.08 - Step 4: Simplify right side
197,845.95x = 30,519,157,263.26 - Step 5: Solve for x
x = 30,519,157,263.26/197,845.95 - Step 6: Final answer
x = 154,257.17
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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.