Finding the Fourth Proportional to 499,550.13, 689,395.58 and 273,195.63
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Solution
The fourth proportional to 499,550.13, 689,395.58 and 273,195.63 is: 377,018.94
Step by Step Solution
- Step 1: Write the proportion equation
499,550.13 : 689,395.58 = 273,195.63 : x - Step 2: Convert to fraction form
499,550.13/689,395.58 = 273,195.63/x - Step 3: Cross multiply
499,550.13x = 689,395.58 × 273,195.63 - Step 4: Simplify right side
499,550.13x = 188,339,859,797.32 - Step 5: Solve for x
x = 188,339,859,797.32/499,550.13 - Step 6: Final answer
x = 377,018.94
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1.5x scale
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.