Finding the Fourth Proportional to 191,204.00, 263,869.05 and 105,170.99
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Solution
The fourth proportional to 191,204.00, 263,869.05 and 105,170.99 is: 145,140.10
Step by Step Solution
- Step 1: Write the proportion equation
191,204.00 : 263,869.05 = 105,170.99 : x - Step 2: Convert to fraction form
191,204.00/263,869.05 = 105,170.99/x - Step 3: Cross multiply
191,204.00x = 263,869.05 × 105,170.99 - Step 4: Simplify right side
191,204.00x = 27,751,368,675.26 - Step 5: Solve for x
x = 27,751,368,675.26/191,204.00 - Step 6: Final answer
x = 145,140.10
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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.