Finding the Fourth Proportional to 459,539.68, 688,410.96 and 301,285.12
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Solution
The fourth proportional to 459,539.68, 688,410.96 and 301,285.12 is: 451,338.56
Step by Step Solution
- Step 1: Write the proportion equation
459,539.68 : 688,410.96 = 301,285.12 : x - Step 2: Convert to fraction form
459,539.68/688,410.96 = 301,285.12/x - Step 3: Cross multiply
459,539.68x = 688,410.96 × 301,285.12 - Step 4: Simplify right side
459,539.68x = 207,407,978,692.92 - Step 5: Solve for x
x = 207,407,978,692.92/459,539.68 - Step 6: Final answer
x = 451,338.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.