Finding the Fourth Proportional to 505,373.14, 697,396.61 and 275,926.19
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Solution
The fourth proportional to 505,373.14, 697,396.61 and 275,926.19 is: 380,768.14
Step by Step Solution
- Step 1: Write the proportion equation
505,373.14 : 697,396.61 = 275,926.19 : x - Step 2: Convert to fraction form
505,373.14/697,396.61 = 275,926.19/x - Step 3: Cross multiply
505,373.14x = 697,396.61 × 275,926.19 - Step 4: Simplify right side
505,373.14x = 192,429,989,516.22 - Step 5: Solve for x
x = 192,429,989,516.22/505,373.14 - Step 6: Final answer
x = 380,768.14
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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.