Finding the Fourth Proportional to 499,421.19, 689,201.22 and 273,066.69
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Solution
The fourth proportional to 499,421.19, 689,201.22 and 273,066.69 is: 376,832.02
Step by Step Solution
- Step 1: Write the proportion equation
499,421.19 : 689,201.22 = 273,066.69 : x - Step 2: Convert to fraction form
499,421.19/689,201.22 = 273,066.69/x - Step 3: Cross multiply
499,421.19x = 689,201.22 × 273,066.69 - Step 4: Simplify right side
499,421.19x = 188,197,895,889.36 - Step 5: Solve for x
x = 188,197,895,889.36/499,421.19 - Step 6: Final answer
x = 376,832.02
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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.