Finding the Fourth Proportional to 191,129.60, 263,759.52 and 105,093.99
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Solution
The fourth proportional to 191,129.60, 263,759.52 and 105,093.99 is: 145,030.08
Step by Step Solution
- Step 1: Write the proportion equation
191,129.60 : 263,759.52 = 105,093.99 : x - Step 2: Convert to fraction form
191,129.60/263,759.52 = 105,093.99/x - Step 3: Cross multiply
191,129.60x = 263,759.52 × 105,093.99 - Step 4: Simplify right side
191,129.60x = 27,719,541,140.41 - Step 5: Solve for x
x = 27,719,541,140.41/191,129.60 - Step 6: Final answer
x = 145,030.08
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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.