Finding the Fourth Proportional to 197,181.36, 272,094.84 and 112,281.84
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Solution
The fourth proportional to 197,181.36, 272,094.84 and 112,281.84 is: 154,940.15
Step by Step Solution
- Step 1: Write the proportion equation
197,181.36 : 272,094.84 = 112,281.84 : x - Step 2: Convert to fraction form
197,181.36/272,094.84 = 112,281.84/x - Step 3: Cross multiply
197,181.36x = 272,094.84 × 112,281.84 - Step 4: Simplify right side
197,181.36x = 30,551,309,289.71 - Step 5: Solve for x
x = 30,551,309,289.71/197,181.36 - Step 6: Final answer
x = 154,940.15
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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.