Finding the Fourth Proportional to 191,041.53, 263,555.53 and 119,296.99
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Solution
The fourth proportional to 191,041.53, 263,555.53 and 119,296.99 is: 164,578.78
Step by Step Solution
- Step 1: Write the proportion equation
191,041.53 : 263,555.53 = 119,296.99 : x - Step 2: Convert to fraction form
191,041.53/263,555.53 = 119,296.99/x - Step 3: Cross multiply
191,041.53x = 263,555.53 × 119,296.99 - Step 4: Simplify right side
191,041.53x = 31,441,381,426.85 - Step 5: Solve for x
x = 31,441,381,426.85/191,041.53 - Step 6: Final answer
x = 164,578.78
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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.