Finding the Fourth Proportional to 197,759.24, 272,906.10 and 107,113.08
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Solution
The fourth proportional to 197,759.24, 272,906.10 and 107,113.08 is: 147,815.16
Step by Step Solution
- Step 1: Write the proportion equation
197,759.24 : 272,906.10 = 107,113.08 : x - Step 2: Convert to fraction form
197,759.24/272,906.10 = 107,113.08/x - Step 3: Cross multiply
197,759.24x = 272,906.10 × 107,113.08 - Step 4: Simplify right side
197,759.24x = 29,231,812,921.79 - Step 5: Solve for x
x = 29,231,812,921.79/197,759.24 - Step 6: Final answer
x = 147,815.16
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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.