Finding the Fourth Proportional to 366,313.20, 548,813.70 and 313,825.20
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Solution
The fourth proportional to 366,313.20, 548,813.70 and 313,825.20 is: 470,175.71
Step by Step Solution
- Step 1: Write the proportion equation
366,313.20 : 548,813.70 = 313,825.20 : x - Step 2: Convert to fraction form
366,313.20/548,813.70 = 313,825.20/x - Step 3: Cross multiply
366,313.20x = 548,813.70 × 313,825.20 - Step 4: Simplify right side
366,313.20x = 172,231,569,165.24 - Step 5: Solve for x
x = 172,231,569,165.24/366,313.20 - Step 6: Final answer
x = 470,175.71
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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.