Finding the Fourth Proportional to 505,236.44, 697,231.98 and 278,881.88
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Solution
The fourth proportional to 505,236.44, 697,231.98 and 278,881.88 is: 384,860.14
Step by Step Solution
- Step 1: Write the proportion equation
505,236.44 : 697,231.98 = 278,881.88 : x - Step 2: Convert to fraction form
505,236.44/697,231.98 = 278,881.88/x - Step 3: Cross multiply
505,236.44x = 697,231.98 × 278,881.88 - Step 4: Simplify right side
505,236.44x = 194,445,365,378.52 - Step 5: Solve for x
x = 194,445,365,378.52/505,236.44 - Step 6: Final answer
x = 384,860.14
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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.