Finding the Fourth Proportional to 370,817.73, 555,896.70 and 134,107.79
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Solution
The fourth proportional to 370,817.73, 555,896.70 and 134,107.79 is: 201,042.37
Step by Step Solution
- Step 1: Write the proportion equation
370,817.73 : 555,896.70 = 134,107.79 : x - Step 2: Convert to fraction form
370,817.73/555,896.70 = 134,107.79/x - Step 3: Cross multiply
370,817.73x = 555,896.70 × 134,107.79 - Step 4: Simplify right side
370,817.73x = 74,550,075,125.81 - Step 5: Solve for x
x = 74,550,075,125.81/370,817.73 - Step 6: Final answer
x = 201,042.37
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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.