Finding the Fourth Proportional to 191,019.06, 263,601.09 and 106,133.94
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Solution
The fourth proportional to 191,019.06, 263,601.09 and 106,133.94 is: 146,461.94
Step by Step Solution
- Step 1: Write the proportion equation
191,019.06 : 263,601.09 = 106,133.94 : x - Step 2: Convert to fraction form
191,019.06/263,601.09 = 106,133.94/x - Step 3: Cross multiply
191,019.06x = 263,601.09 × 106,133.94 - Step 4: Simplify right side
191,019.06x = 27,977,022,269.99 - Step 5: Solve for x
x = 27,977,022,269.99/191,019.06 - Step 6: Final answer
x = 146,461.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.