Finding the Fourth Proportional to 505,533.44, 758,046.21 and 168,455.99
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Solution
The fourth proportional to 505,533.44, 758,046.21 and 168,455.99 is: 252,599.36
Step by Step Solution
- Step 1: Write the proportion equation
505,533.44 : 758,046.21 = 168,455.99 : x - Step 2: Convert to fraction form
505,533.44/758,046.21 = 168,455.99/x - Step 3: Cross multiply
505,533.44x = 758,046.21 × 168,455.99 - Step 4: Simplify right side
505,533.44x = 127,697,420,981.07 - Step 5: Solve for x
x = 127,697,420,981.07/505,533.44 - Step 6: Final answer
x = 252,599.36
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1.5x scale
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.