Finding the Fourth Proportional to 197,245.36, 272,183.88 and 112,345.84
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Solution
The fourth proportional to 197,245.36, 272,183.88 and 112,345.84 is: 155,028.88
Step by Step Solution
- Step 1: Write the proportion equation
197,245.36 : 272,183.88 = 112,345.84 : x - Step 2: Convert to fraction form
197,245.36/272,183.88 = 112,345.84/x - Step 3: Cross multiply
197,245.36x = 272,183.88 × 112,345.84 - Step 4: Simplify right side
197,245.36x = 30,578,726,633.06 - Step 5: Solve for x
x = 30,578,726,633.06/197,245.36 - Step 6: Final answer
x = 155,028.88
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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.