Finding the Fourth Proportional to 845,318.08, 1,267,982.16 and 214,233.76
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Solution
The fourth proportional to 845,318.08, 1,267,982.16 and 214,233.76 is: 321,351.92
Step by Step Solution
- Step 1: Write the proportion equation
845,318.08 : 1,267,982.16 = 214,233.76 : x - Step 2: Convert to fraction form
845,318.08/1,267,982.16 = 214,233.76/x - Step 3: Cross multiply
845,318.08x = 1,267,982.16 × 214,233.76 - Step 4: Simplify right side
845,318.08x = 271,644,585,749.72 - Step 5: Solve for x
x = 271,644,585,749.72/845,318.08 - Step 6: Final answer
x = 321,351.92
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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.