Finding the Fourth Proportional to 190,983.63, 286,226.37 and 106,740.39
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Solution
The fourth proportional to 190,983.63, 286,226.37 and 106,740.39 is: 159,971.38
Step by Step Solution
- Step 1: Write the proportion equation
190,983.63 : 286,226.37 = 106,740.39 : x - Step 2: Convert to fraction form
190,983.63/286,226.37 = 106,740.39/x - Step 3: Cross multiply
190,983.63x = 286,226.37 × 106,740.39 - Step 4: Simplify right side
190,983.63x = 30,551,914,362.08 - Step 5: Solve for x
x = 30,551,914,362.08/190,983.63 - Step 6: Final answer
x = 159,971.38
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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.