Finding the Fourth Proportional to 330,627.34, 455,843.37 and 214,135.03
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Solution
The fourth proportional to 330,627.34, 455,843.37 and 214,135.03 is: 295,232.80
Step by Step Solution
- Step 1: Write the proportion equation
330,627.34 : 455,843.37 = 214,135.03 : x - Step 2: Convert to fraction form
330,627.34/455,843.37 = 214,135.03/x - Step 3: Cross multiply
330,627.34x = 455,843.37 × 214,135.03 - Step 4: Simplify right side
330,627.34x = 97,612,033,710.25 - Step 5: Solve for x
x = 97,612,033,710.25/330,627.34 - Step 6: Final answer
x = 295,232.80
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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.