Finding the Fourth Proportional to 275,474.80, 413,166.84 and 257,542.48
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Solution
The fourth proportional to 275,474.80, 413,166.84 and 257,542.48 is: 386,271.31
Step by Step Solution
- Step 1: Write the proportion equation
275,474.80 : 413,166.84 = 257,542.48 : x - Step 2: Convert to fraction form
275,474.80/413,166.84 = 257,542.48/x - Step 3: Cross multiply
275,474.80x = 413,166.84 × 257,542.48 - Step 4: Simplify right side
275,474.80x = 106,408,012,627.36 - Step 5: Solve for x
x = 106,408,012,627.36/275,474.80 - Step 6: Final answer
x = 386,271.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.