Finding the Fourth Proportional to 664,286.30, 996,526.65 and 214,930.70
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Solution
The fourth proportional to 664,286.30, 996,526.65 and 214,930.70 is: 322,427.50
Step by Step Solution
- Step 1: Write the proportion equation
664,286.30 : 996,526.65 = 214,930.70 : x - Step 2: Convert to fraction form
664,286.30/996,526.65 = 214,930.70/x - Step 3: Cross multiply
664,286.30x = 996,526.65 × 214,930.70 - Step 4: Simplify right side
664,286.30x = 214,184,170,453.16 - Step 5: Solve for x
x = 214,184,170,453.16/664,286.30 - Step 6: Final answer
x = 322,427.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.