Finding the Fourth Proportional to 212,923.14, 293,840.49 and 122,297.28
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Solution
The fourth proportional to 212,923.14, 293,840.49 and 122,297.28 is: 168,774.02
Step by Step Solution
- Step 1: Write the proportion equation
212,923.14 : 293,840.49 = 122,297.28 : x - Step 2: Convert to fraction form
212,923.14/293,840.49 = 122,297.28/x - Step 3: Cross multiply
212,923.14x = 293,840.49 × 122,297.28 - Step 4: Simplify right side
212,923.14x = 35,935,892,680.87 - Step 5: Solve for x
x = 35,935,892,680.87/212,923.14 - Step 6: Final answer
x = 168,774.02
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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.