Finding the Fourth Proportional to 210,353.08, 290,286.12 and 114,859.84
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Solution
The fourth proportional to 210,353.08, 290,286.12 and 114,859.84 is: 158,505.96
Step by Step Solution
- Step 1: Write the proportion equation
210,353.08 : 290,286.12 = 114,859.84 : x - Step 2: Convert to fraction form
210,353.08/290,286.12 = 114,859.84/x - Step 3: Cross multiply
210,353.08x = 290,286.12 × 114,859.84 - Step 4: Simplify right side
210,353.08x = 33,342,217,297.42 - Step 5: Solve for x
x = 33,342,217,297.42/210,353.08 - Step 6: Final answer
x = 158,505.96
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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.