Finding the Fourth Proportional to 190,769.80, 286,284.30 and 106,529.80
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Solution
The fourth proportional to 190,769.80, 286,284.30 and 106,529.80 is: 159,867.07
Step by Step Solution
- Step 1: Write the proportion equation
190,769.80 : 286,284.30 = 106,529.80 : x - Step 2: Convert to fraction form
190,769.80/286,284.30 = 106,529.80/x - Step 3: Cross multiply
190,769.80x = 286,284.30 × 106,529.80 - Step 4: Simplify right side
190,769.80x = 30,497,809,222.14 - Step 5: Solve for x
x = 30,497,809,222.14/190,769.80 - Step 6: Final answer
x = 159,867.07
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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.