Finding the Fourth Proportional to 214,782.70, 322,149.36 and 57,023.50
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Solution
The fourth proportional to 214,782.70, 322,149.36 and 57,023.50 is: 85,528.69
Step by Step Solution
- Step 1: Write the proportion equation
214,782.70 : 322,149.36 = 57,023.50 : x - Step 2: Convert to fraction form
214,782.70/322,149.36 = 57,023.50/x - Step 3: Cross multiply
214,782.70x = 322,149.36 × 57,023.50 - Step 4: Simplify right side
214,782.70x = 18,370,084,029.96 - Step 5: Solve for x
x = 18,370,084,029.96/214,782.70 - Step 6: Final answer
x = 85,528.69
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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.