Finding the Fourth Proportional to 505,636.24, 697,773.28 and 276,193.48
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Solution
The fourth proportional to 505,636.24, 697,773.28 and 276,193.48 is: 381,144.42
Step by Step Solution
- Step 1: Write the proportion equation
505,636.24 : 697,773.28 = 276,193.48 : x - Step 2: Convert to fraction form
505,636.24/697,773.28 = 276,193.48/x - Step 3: Cross multiply
505,636.24x = 697,773.28 × 276,193.48 - Step 4: Simplify right side
505,636.24x = 192,720,430,454.21 - Step 5: Solve for x
x = 192,720,430,454.21/505,636.24 - Step 6: Final answer
x = 381,144.42
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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.