Finding the Fourth Proportional to 505,171.87, 697,137.18 and 344,307.94
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Solution
The fourth proportional to 505,171.87, 697,137.18 and 344,307.94 is: 475,144.96
Step by Step Solution
- Step 1: Write the proportion equation
505,171.87 : 697,137.18 = 344,307.94 : x - Step 2: Convert to fraction form
505,171.87/697,137.18 = 344,307.94/x - Step 3: Cross multiply
505,171.87x = 697,137.18 × 344,307.94 - Step 4: Simplify right side
505,171.87x = 240,029,866,343.21 - Step 5: Solve for x
x = 240,029,866,343.21/505,171.87 - Step 6: Final answer
x = 475,144.96
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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.