Finding the Fourth Proportional to 266,161.18, 367,307.99 and 145,307.56
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Solution
The fourth proportional to 266,161.18, 367,307.99 and 145,307.56 is: 200,527.47
Step by Step Solution
- Step 1: Write the proportion equation
266,161.18 : 367,307.99 = 145,307.56 : x - Step 2: Convert to fraction form
266,161.18/367,307.99 = 145,307.56/x - Step 3: Cross multiply
266,161.18x = 367,307.99 × 145,307.56 - Step 4: Simplify right side
266,161.18x = 53,372,628,072.90 - Step 5: Solve for x
x = 53,372,628,072.90/266,161.18 - Step 6: Final answer
x = 200,527.47
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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.