Finding the Fourth Proportional to 266,775.28, 368,161.68 and 153,634.48
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Solution
The fourth proportional to 266,775.28, 368,161.68 and 153,634.48 is: 212,022.37
Step by Step Solution
- Step 1: Write the proportion equation
266,775.28 : 368,161.68 = 153,634.48 : x - Step 2: Convert to fraction form
266,775.28/368,161.68 = 153,634.48/x - Step 3: Cross multiply
266,775.28x = 368,161.68 × 153,634.48 - Step 4: Simplify right side
266,775.28x = 56,562,328,262.73 - Step 5: Solve for x
x = 56,562,328,262.73/266,775.28 - Step 6: Final answer
x = 212,022.37
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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.