Finding the Fourth Proportional to 235,817.44, 325,433.88 and 128,393.32
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Solution
The fourth proportional to 235,817.44, 325,433.88 and 128,393.32 is: 177,185.95
Step by Step Solution
- Step 1: Write the proportion equation
235,817.44 : 325,433.88 = 128,393.32 : x - Step 2: Convert to fraction form
235,817.44/325,433.88 = 128,393.32/x - Step 3: Cross multiply
235,817.44x = 325,433.88 × 128,393.32 - Step 4: Simplify right side
235,817.44x = 41,783,536,293.68 - Step 5: Solve for x
x = 41,783,536,293.68/235,817.44 - Step 6: Final answer
x = 177,185.95
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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.