Finding the Fourth Proportional to 371,409.24, 557,107.50 and 118,687.88
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Solution
The fourth proportional to 371,409.24, 557,107.50 and 118,687.88 is: 178,029.79
Step by Step Solution
- Step 1: Write the proportion equation
371,409.24 : 557,107.50 = 118,687.88 : x - Step 2: Convert to fraction form
371,409.24/557,107.50 = 118,687.88/x - Step 3: Cross multiply
371,409.24x = 557,107.50 × 118,687.88 - Step 4: Simplify right side
371,409.24x = 66,121,908,107.10 - Step 5: Solve for x
x = 66,121,908,107.10/371,409.24 - Step 6: Final answer
x = 178,029.79
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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.