Finding the Fourth Proportional to 190,683.18, 286,305.84 and 106,608.15
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Solution
The fourth proportional to 190,683.18, 286,305.84 and 106,608.15 is: 160,069.37
Step by Step Solution
- Step 1: Write the proportion equation
190,683.18 : 286,305.84 = 106,608.15 : x - Step 2: Convert to fraction form
190,683.18/286,305.84 = 106,608.15/x - Step 3: Cross multiply
190,683.18x = 286,305.84 × 106,608.15 - Step 4: Simplify right side
190,683.18x = 30,522,535,936.60 - Step 5: Solve for x
x = 30,522,535,936.60/190,683.18 - Step 6: Final answer
x = 160,069.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.