Finding the Fourth Proportional to 613,129.14, 919,832.09 and 186,703.11
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Solution
The fourth proportional to 613,129.14, 919,832.09 and 186,703.11 is: 280,096.80
Step by Step Solution
- Step 1: Write the proportion equation
613,129.14 : 919,832.09 = 186,703.11 : x - Step 2: Convert to fraction form
613,129.14/919,832.09 = 186,703.11/x - Step 3: Cross multiply
613,129.14x = 919,832.09 × 186,703.11 - Step 4: Simplify right side
613,129.14x = 171,735,510,947.28 - Step 5: Solve for x
x = 171,735,510,947.28/613,129.14 - Step 6: Final answer
x = 280,096.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.