Finding the Fourth Proportional to 481,582.14, 664,588.25 and 290,558.63
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Solution
The fourth proportional to 481,582.14, 664,588.25 and 290,558.63 is: 400,973.85
Step by Step Solution
- Step 1: Write the proportion equation
481,582.14 : 664,588.25 = 290,558.63 : x - Step 2: Convert to fraction form
481,582.14/664,588.25 = 290,558.63/x - Step 3: Cross multiply
481,582.14x = 664,588.25 × 290,558.63 - Step 4: Simplify right side
481,582.14x = 193,101,846,658.36 - Step 5: Solve for x
x = 193,101,846,658.36/481,582.14 - Step 6: Final answer
x = 400,973.85
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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.