Finding the Fourth Proportional to 499,181.10, 689,438.15 and 335,553.49
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Solution
The fourth proportional to 499,181.10, 689,438.15 and 335,553.49 is: 463,445.79
Step by Step Solution
- Step 1: Write the proportion equation
499,181.10 : 689,438.15 = 335,553.49 : x - Step 2: Convert to fraction form
499,181.10/689,438.15 = 335,553.49/x - Step 3: Cross multiply
499,181.10x = 689,438.15 × 335,553.49 - Step 4: Simplify right side
499,181.10x = 231,343,377,371.64 - Step 5: Solve for x
x = 231,343,377,371.64/499,181.10 - Step 6: Final answer
x = 463,445.79
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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.