Finding the Fourth Proportional to 741,661.20, 1,112,491.80 and 180,695.70
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Solution
The fourth proportional to 741,661.20, 1,112,491.80 and 180,695.70 is: 271,043.55
Step by Step Solution
- Step 1: Write the proportion equation
741,661.20 : 1,112,491.80 = 180,695.70 : x - Step 2: Convert to fraction form
741,661.20/1,112,491.80 = 180,695.70/x - Step 3: Cross multiply
741,661.20x = 1,112,491.80 × 180,695.70 - Step 4: Simplify right side
741,661.20x = 201,022,484,545.26 - Step 5: Solve for x
x = 201,022,484,545.26/741,661.20 - Step 6: Final answer
x = 271,043.55
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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.