Finding the Fourth Proportional to 266,428.19, 367,676.19 and 145,576.94
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Solution
The fourth proportional to 266,428.19, 367,676.19 and 145,576.94 is: 200,899.07
Step by Step Solution
- Step 1: Write the proportion equation
266,428.19 : 367,676.19 = 145,576.94 : x - Step 2: Convert to fraction form
266,428.19/367,676.19 = 145,576.94/x - Step 3: Cross multiply
266,428.19x = 367,676.19 × 145,576.94 - Step 4: Simplify right side
266,428.19x = 53,525,174,651.06 - Step 5: Solve for x
x = 53,525,174,651.06/266,428.19 - Step 6: Final answer
x = 200,899.07
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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.