Finding the Fourth Proportional to 191,231.70, 286,718.12 and 107,049.98
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Solution
The fourth proportional to 191,231.70, 286,718.12 and 107,049.98 is: 160,502.52
Step by Step Solution
- Step 1: Write the proportion equation
191,231.70 : 286,718.12 = 107,049.98 : x - Step 2: Convert to fraction form
191,231.70/286,718.12 = 107,049.98/x - Step 3: Cross multiply
191,231.70x = 286,718.12 × 107,049.98 - Step 4: Simplify right side
191,231.70x = 30,693,169,011.64 - Step 5: Solve for x
x = 30,693,169,011.64/191,231.70 - Step 6: Final answer
x = 160,502.52
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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.