Finding the Fourth Proportional to 499,186.10, 689,445.05 and 335,558.49
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Solution
The fourth proportional to 499,186.10, 689,445.05 and 335,558.49 is: 463,452.69
Step by Step Solution
- Step 1: Write the proportion equation
499,186.10 : 689,445.05 = 335,558.49 : x - Step 2: Convert to fraction form
499,186.10/689,445.05 = 335,558.49/x - Step 3: Cross multiply
499,186.10x = 689,445.05 × 335,558.49 - Step 4: Simplify right side
499,186.10x = 231,349,138,238.18 - Step 5: Solve for x
x = 231,349,138,238.18/499,186.10 - Step 6: Final answer
x = 463,452.69
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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.