Finding the Fourth Proportional to 191,246.09, 286,908.02 and 66,596.81
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Solution
The fourth proportional to 191,246.09, 286,908.02 and 66,596.81 is: 99,908.75
Step by Step Solution
- Step 1: Write the proportion equation
191,246.09 : 286,908.02 = 66,596.81 : x - Step 2: Convert to fraction form
191,246.09/286,908.02 = 66,596.81/x - Step 3: Cross multiply
191,246.09x = 286,908.02 × 66,596.81 - Step 4: Simplify right side
191,246.09x = 19,107,158,562.43 - Step 5: Solve for x
x = 19,107,158,562.43/191,246.09 - Step 6: Final answer
x = 99,908.75
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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.