Finding the Fourth Proportional to 282,104.18, 389,331.12 and 161,222.37
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Solution
The fourth proportional to 282,104.18, 389,331.12 and 161,222.37 is: 222,502.50
Step by Step Solution
- Step 1: Write the proportion equation
282,104.18 : 389,331.12 = 161,222.37 : x - Step 2: Convert to fraction form
282,104.18/389,331.12 = 161,222.37/x - Step 3: Cross multiply
282,104.18x = 389,331.12 × 161,222.37 - Step 4: Simplify right side
282,104.18x = 62,768,885,881.15 - Step 5: Solve for x
x = 62,768,885,881.15/282,104.18 - Step 6: Final answer
x = 222,502.50
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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.