Finding the Fourth Proportional to 613,107.36, 919,816.56 and 192,386.88
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Solution
The fourth proportional to 613,107.36, 919,816.56 and 192,386.88 is: 288,629.12
Step by Step Solution
- Step 1: Write the proportion equation
613,107.36 : 919,816.56 = 192,386.88 : x - Step 2: Convert to fraction form
613,107.36/919,816.56 = 192,386.88/x - Step 3: Cross multiply
613,107.36x = 919,816.56 × 192,386.88 - Step 4: Simplify right side
613,107.36x = 176,960,638,150.73 - Step 5: Solve for x
x = 176,960,638,150.73/613,107.36 - Step 6: Final answer
x = 288,629.12
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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.