Finding the Fourth Proportional to 212,667.62, 293,478.98 and 122,037.84
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Solution
The fourth proportional to 212,667.62, 293,478.98 and 122,037.84 is: 168,410.88
Step by Step Solution
- Step 1: Write the proportion equation
212,667.62 : 293,478.98 = 122,037.84 : x - Step 2: Convert to fraction form
212,667.62/293,478.98 = 122,037.84/x - Step 3: Cross multiply
212,667.62x = 293,478.98 × 122,037.84 - Step 4: Simplify right side
212,667.62x = 35,815,540,194.41 - Step 5: Solve for x
x = 35,815,540,194.41/212,667.62 - Step 6: Final answer
x = 168,410.88
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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.