Finding the Fourth Proportional to 190,912.20, 286,368.30 and 106,585.80
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Solution
The fourth proportional to 190,912.20, 286,368.30 and 106,585.80 is: 159,878.70
Step by Step Solution
- Step 1: Write the proportion equation
190,912.20 : 286,368.30 = 106,585.80 : x - Step 2: Convert to fraction form
190,912.20/286,368.30 = 106,585.80/x - Step 3: Cross multiply
190,912.20x = 286,368.30 × 106,585.80 - Step 4: Simplify right side
190,912.20x = 30,522,794,350.14 - Step 5: Solve for x
x = 30,522,794,350.14/190,912.20 - Step 6: Final answer
x = 159,878.70
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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.