Finding the Fourth Proportional to 550,121.23, 759,155.99 and 305,066.44
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Solution
The fourth proportional to 550,121.23, 759,155.99 and 305,066.44 is: 420,985.42
Step by Step Solution
- Step 1: Write the proportion equation
550,121.23 : 759,155.99 = 305,066.44 : x - Step 2: Convert to fraction form
550,121.23/759,155.99 = 305,066.44/x - Step 3: Cross multiply
550,121.23x = 759,155.99 × 305,066.44 - Step 4: Simplify right side
550,121.23x = 231,593,014,884.65 - Step 5: Solve for x
x = 231,593,014,884.65/550,121.23 - Step 6: Final answer
x = 420,985.42
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1.5x scale
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.