Finding the Fourth Proportional to 499,890.97, 689,849.99 and 273,536.47
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Solution
The fourth proportional to 499,890.97, 689,849.99 and 273,536.47 is: 377,480.58
Step by Step Solution
- Step 1: Write the proportion equation
499,890.97 : 689,849.99 = 273,536.47 : x - Step 2: Convert to fraction form
499,890.97/689,849.99 = 273,536.47/x - Step 3: Cross multiply
499,890.97x = 689,849.99 × 273,536.47 - Step 4: Simplify right side
499,890.97x = 188,699,131,094.14 - Step 5: Solve for x
x = 188,699,131,094.14/499,890.97 - Step 6: Final answer
x = 377,480.58
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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.