Finding the Fourth Proportional to 330,629.33, 455,846.14 and 214,137.02
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Solution
The fourth proportional to 330,629.33, 455,846.14 and 214,137.02 is: 295,235.55
Step by Step Solution
- Step 1: Write the proportion equation
330,629.33 : 455,846.14 = 214,137.02 : x - Step 2: Convert to fraction form
330,629.33/455,846.14 = 214,137.02/x - Step 3: Cross multiply
330,629.33x = 455,846.14 × 214,137.02 - Step 4: Simplify right side
330,629.33x = 97,613,532,927.42 - Step 5: Solve for x
x = 97,613,532,927.42/330,629.33 - Step 6: Final answer
x = 295,235.55
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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.