Finding the Fourth Proportional to 330,399.10, 455,922.44 and 183,228.68
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Solution
The fourth proportional to 330,399.10, 455,922.44 and 183,228.68 is: 252,839.88
Step by Step Solution
- Step 1: Write the proportion equation
330,399.10 : 455,922.44 = 183,228.68 : x - Step 2: Convert to fraction form
330,399.10/455,922.44 = 183,228.68/x - Step 3: Cross multiply
330,399.10x = 455,922.44 × 183,228.68 - Step 4: Simplify right side
330,399.10x = 83,538,067,774.35 - Step 5: Solve for x
x = 83,538,067,774.35/330,399.10 - Step 6: Final answer
x = 252,839.88
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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.