Finding the Fourth Proportional to 191,998.28, 264,963.99 and 104,788.14
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Solution
The fourth proportional to 191,998.28, 264,963.99 and 104,788.14 is: 144,611.11
Step by Step Solution
- Step 1: Write the proportion equation
191,998.28 : 264,963.99 = 104,788.14 : x - Step 2: Convert to fraction form
191,998.28/264,963.99 = 104,788.14/x - Step 3: Cross multiply
191,998.28x = 264,963.99 × 104,788.14 - Step 4: Simplify right side
191,998.28x = 27,765,083,679.08 - Step 5: Solve for x
x = 27,765,083,679.08/191,998.28 - Step 6: Final answer
x = 144,611.11
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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.