Finding the Fourth Proportional to 274,537.71, 378,868.46 and 153,675.99
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Solution
The fourth proportional to 274,537.71, 378,868.46 and 153,675.99 is: 212,076.46
Step by Step Solution
- Step 1: Write the proportion equation
274,537.71 : 378,868.46 = 153,675.99 : x - Step 2: Convert to fraction form
274,537.71/378,868.46 = 153,675.99/x - Step 3: Cross multiply
274,537.71x = 378,868.46 × 153,675.99 - Step 4: Simplify right side
274,537.71x = 58,222,984,901.90 - Step 5: Solve for x
x = 58,222,984,901.90/274,537.71 - Step 6: Final answer
x = 212,076.46
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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.