Finding the Fourth Proportional to 282,397.34, 389,749.12 and 169,230.62
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Solution
The fourth proportional to 282,397.34, 389,749.12 and 169,230.62 is: 233,562.70
Step by Step Solution
- Step 1: Write the proportion equation
282,397.34 : 389,749.12 = 169,230.62 : x - Step 2: Convert to fraction form
282,397.34/389,749.12 = 169,230.62/x - Step 3: Cross multiply
282,397.34x = 389,749.12 × 169,230.62 - Step 4: Simplify right side
282,397.34x = 65,957,485,222.05 - Step 5: Solve for x
x = 65,957,485,222.05/282,397.34 - Step 6: Final answer
x = 233,562.70
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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.