Finding the Fourth Proportional to 286,037.98, 394,804.97 and 195,430.56
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Solution
The fourth proportional to 286,037.98, 394,804.97 and 195,430.56 is: 269,743.75
Step by Step Solution
- Step 1: Write the proportion equation
286,037.98 : 394,804.97 = 195,430.56 : x - Step 2: Convert to fraction form
286,037.98/394,804.97 = 195,430.56/x - Step 3: Cross multiply
286,037.98x = 394,804.97 × 195,430.56 - Step 4: Simplify right side
286,037.98x = 77,156,956,377.88 - Step 5: Solve for x
x = 77,156,956,377.88/286,037.98 - Step 6: Final answer
x = 269,743.75
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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.