Finding the Fourth Proportional to 274,537.96, 378,868.80 and 153,676.24
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Solution
The fourth proportional to 274,537.96, 378,868.80 and 153,676.24 is: 212,076.80
Step by Step Solution
- Step 1: Write the proportion equation
274,537.96 : 378,868.80 = 153,676.24 : x - Step 2: Convert to fraction form
274,537.96/378,868.80 = 153,676.24/x - Step 3: Cross multiply
274,537.96x = 378,868.80 × 153,676.24 - Step 4: Simplify right side
274,537.96x = 58,223,132,637.31 - Step 5: Solve for x
x = 58,223,132,637.31/274,537.96 - Step 6: Final answer
x = 212,076.80
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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.