Finding the Fourth Proportional to 248,524.80, 372,787.20 and 214,699.20
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Solution
The fourth proportional to 248,524.80, 372,787.20 and 214,699.20 is: 322,048.80
Step by Step Solution
- Step 1: Write the proportion equation
248,524.80 : 372,787.20 = 214,699.20 : x - Step 2: Convert to fraction form
248,524.80/372,787.20 = 214,699.20/x - Step 3: Cross multiply
248,524.80x = 372,787.20 × 214,699.20 - Step 4: Simplify right side
248,524.80x = 80,037,113,610.24 - Step 5: Solve for x
x = 80,037,113,610.24/248,524.80 - Step 6: Final answer
x = 322,048.80
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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.