Finding the Fourth Proportional to 263,690.78, 396,658.62 and 239,028.23
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Solution
The fourth proportional to 263,690.78, 396,658.62 and 239,028.23 is: 359,559.82
Step by Step Solution
- Step 1: Write the proportion equation
263,690.78 : 396,658.62 = 239,028.23 : x - Step 2: Convert to fraction form
263,690.78/396,658.62 = 239,028.23/x - Step 3: Cross multiply
263,690.78x = 396,658.62 × 239,028.23 - Step 4: Simplify right side
263,690.78x = 94,812,608,844.49 - Step 5: Solve for x
x = 94,812,608,844.49/263,690.78 - Step 6: Final answer
x = 359,559.82
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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.