Finding the Fourth Proportional to 396,944.73, 547,787.58 and 215,658.09
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Solution
The fourth proportional to 396,944.73, 547,787.58 and 215,658.09 is: 297,610.26
Step by Step Solution
- Step 1: Write the proportion equation
396,944.73 : 547,787.58 = 215,658.09 : x - Step 2: Convert to fraction form
396,944.73/547,787.58 = 215,658.09/x - Step 3: Cross multiply
396,944.73x = 547,787.58 × 215,658.09 - Step 4: Simplify right side
396,944.73x = 118,134,823,228.52 - Step 5: Solve for x
x = 118,134,823,228.52/396,944.73 - Step 6: Final answer
x = 297,610.26
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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.