Finding the Fourth Proportional to 505,212.53, 697,192.83 and 278,857.49
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Solution
The fourth proportional to 505,212.53, 697,192.83 and 278,857.49 is: 384,823.08
Step by Step Solution
- Step 1: Write the proportion equation
505,212.53 : 697,192.83 = 278,857.49 : x - Step 2: Convert to fraction form
505,212.53/697,192.83 = 278,857.49/x - Step 3: Cross multiply
505,212.53x = 697,192.83 × 278,857.49 - Step 4: Simplify right side
505,212.53x = 194,417,439,133.83 - Step 5: Solve for x
x = 194,417,439,133.83/505,212.53 - Step 6: Final answer
x = 384,823.08
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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.