Finding the Fourth Proportional to 197,972.58, 273,204.08 and 107,328.32
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Solution
The fourth proportional to 197,972.58, 273,204.08 and 107,328.32 is: 148,114.12
Step by Step Solution
- Step 1: Write the proportion equation
197,972.58 : 273,204.08 = 107,328.32 : x - Step 2: Convert to fraction form
197,972.58/273,204.08 = 107,328.32/x - Step 3: Cross multiply
197,972.58x = 273,204.08 × 107,328.32 - Step 4: Simplify right side
197,972.58x = 29,322,533,825.85 - Step 5: Solve for x
x = 29,322,533,825.85/197,972.58 - Step 6: Final answer
x = 148,114.12
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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.