Finding the Fourth Proportional to 191,246.87, 286,867.05 and 66,584.63
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Solution
The fourth proportional to 191,246.87, 286,867.05 and 66,584.63 is: 99,875.81
Step by Step Solution
- Step 1: Write the proportion equation
191,246.87 : 286,867.05 = 66,584.63 : x - Step 2: Convert to fraction form
191,246.87/286,867.05 = 66,584.63/x - Step 3: Cross multiply
191,246.87x = 286,867.05 × 66,584.63 - Step 4: Simplify right side
191,246.87x = 19,100,936,383.44 - Step 5: Solve for x
x = 19,100,936,383.44/191,246.87 - Step 6: Final answer
x = 99,875.81
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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.