Finding the Fourth Proportional to 499,580.24, 689,426.19 and 273,220.88
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Solution
The fourth proportional to 499,580.24, 689,426.19 and 273,220.88 is: 377,047.80
Step by Step Solution
- Step 1: Write the proportion equation
499,580.24 : 689,426.19 = 273,220.88 : x - Step 2: Convert to fraction form
499,580.24/689,426.19 = 273,220.88/x - Step 3: Cross multiply
499,580.24x = 689,426.19 × 273,220.88 - Step 4: Simplify right side
499,580.24x = 188,365,626,879.72 - Step 5: Solve for x
x = 188,365,626,879.72/499,580.24 - Step 6: Final answer
x = 377,047.80
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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.