Finding the Fourth Proportional to 511,804.18, 767,804.67 and 196,236.48
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Solution
The fourth proportional to 511,804.18, 767,804.67 and 196,236.48 is: 294,392.45
Step by Step Solution
- Step 1: Write the proportion equation
511,804.18 : 767,804.67 = 196,236.48 : x - Step 2: Convert to fraction form
511,804.18/767,804.67 = 196,236.48/x - Step 3: Cross multiply
511,804.18x = 767,804.67 × 196,236.48 - Step 4: Simplify right side
511,804.18x = 150,671,285,768.36 - Step 5: Solve for x
x = 150,671,285,768.36/511,804.18 - Step 6: Final answer
x = 294,392.45
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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.