Finding the Fourth Proportional to 272,671.99, 408,189.68 and 165,725.87
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Solution
The fourth proportional to 272,671.99, 408,189.68 and 165,725.87 is: 248,091.45
Step by Step Solution
- Step 1: Write the proportion equation
272,671.99 : 408,189.68 = 165,725.87 : x - Step 2: Convert to fraction form
272,671.99/408,189.68 = 165,725.87/x - Step 3: Cross multiply
272,671.99x = 408,189.68 × 165,725.87 - Step 4: Simplify right side
272,671.99x = 67,647,587,594.92 - Step 5: Solve for x
x = 67,647,587,594.92/272,671.99 - Step 6: Final answer
x = 248,091.45
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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.