Finding the Fourth Proportional to 385,069.08, 577,480.77 and 132,288.60
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Solution
The fourth proportional to 385,069.08, 577,480.77 and 132,288.60 is: 198,390.70
Step by Step Solution
- Step 1: Write the proportion equation
385,069.08 : 577,480.77 = 132,288.60 : x - Step 2: Convert to fraction form
385,069.08/577,480.77 = 132,288.60/x - Step 3: Cross multiply
385,069.08x = 577,480.77 × 132,288.60 - Step 4: Simplify right side
385,069.08x = 76,394,122,590.22 - Step 5: Solve for x
x = 76,394,122,590.22/385,069.08 - Step 6: Final answer
x = 198,390.70
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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.