Finding the Fourth Proportional to 505,195.26, 697,166.10 and 278,840.76
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Solution
The fourth proportional to 505,195.26, 697,166.10 and 278,840.76 is: 384,798.39
Step by Step Solution
- Step 1: Write the proportion equation
505,195.26 : 697,166.10 = 278,840.76 : x - Step 2: Convert to fraction form
505,195.26/697,166.10 = 278,840.76/x - Step 3: Cross multiply
505,195.26x = 697,166.10 × 278,840.76 - Step 4: Simplify right side
505,195.26x = 194,398,325,170.24 - Step 5: Solve for x
x = 194,398,325,170.24/505,195.26 - Step 6: Final answer
x = 384,798.39
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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.