Finding the Fourth Proportional to 212,226.92, 292,867.39 and 120,363.06
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Solution
The fourth proportional to 212,226.92, 292,867.39 and 120,363.06 is: 166,097.76
Step by Step Solution
- Step 1: Write the proportion equation
212,226.92 : 292,867.39 = 120,363.06 : x - Step 2: Convert to fraction form
212,226.92/292,867.39 = 120,363.06/x - Step 3: Cross multiply
212,226.92x = 292,867.39 × 120,363.06 - Step 4: Simplify right side
212,226.92x = 35,250,415,234.61 - Step 5: Solve for x
x = 35,250,415,234.61/212,226.92 - Step 6: Final answer
x = 166,097.76
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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.