Finding the Fourth Proportional to 282,341.14, 389,584.83 and 161,462.95
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Solution
The fourth proportional to 282,341.14, 389,584.83 and 161,462.95 is: 222,792.60
Step by Step Solution
- Step 1: Write the proportion equation
282,341.14 : 389,584.83 = 161,462.95 : x - Step 2: Convert to fraction form
282,341.14/389,584.83 = 161,462.95/x - Step 3: Cross multiply
282,341.14x = 389,584.83 × 161,462.95 - Step 4: Simplify right side
282,341.14x = 62,903,515,927.05 - Step 5: Solve for x
x = 62,903,515,927.05/282,341.14 - Step 6: Final answer
x = 222,792.60
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1.5x scale
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.