Finding the Fourth Proportional to 499,181.58, 689,438.85 and 335,553.99
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Solution
The fourth proportional to 499,181.58, 689,438.85 and 335,553.99 is: 463,446.50
Step by Step Solution
- Step 1: Write the proportion equation
499,181.58 : 689,438.85 = 335,553.99 : x - Step 2: Convert to fraction form
499,181.58/689,438.85 = 335,553.99/x - Step 3: Cross multiply
499,181.58x = 689,438.85 × 335,553.99 - Step 4: Simplify right side
499,181.58x = 231,343,956,978.51 - Step 5: Solve for x
x = 231,343,956,978.51/499,181.58 - Step 6: Final answer
x = 463,446.50
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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.