Finding the Fourth Proportional to 263,691.78, 396,660.12 and 239,029.23
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Solution
The fourth proportional to 263,691.78, 396,660.12 and 239,029.23 is: 359,561.31
Step by Step Solution
- Step 1: Write the proportion equation
263,691.78 : 396,660.12 = 239,029.23 : x - Step 2: Convert to fraction form
263,691.78/396,660.12 = 239,029.23/x - Step 3: Cross multiply
263,691.78x = 396,660.12 × 239,029.23 - Step 4: Simplify right side
263,691.78x = 94,813,363,055.31 - Step 5: Solve for x
x = 94,813,363,055.31/263,691.78 - Step 6: Final answer
x = 359,561.31
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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.