Finding the Fourth Proportional to 205,293.87, 283,291.43 and 113,409.09
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Solution
The fourth proportional to 205,293.87, 283,291.43 and 113,409.09 is: 156,496.75
Step by Step Solution
- Step 1: Write the proportion equation
205,293.87 : 283,291.43 = 113,409.09 : x - Step 2: Convert to fraction form
205,293.87/283,291.43 = 113,409.09/x - Step 3: Cross multiply
205,293.87x = 283,291.43 × 113,409.09 - Step 4: Simplify right side
205,293.87x = 32,127,824,272.85 - Step 5: Solve for x
x = 32,127,824,272.85/205,293.87 - Step 6: Final answer
x = 156,496.75
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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.