Finding the Fourth Proportional to 486,777.99, 730,236.21 and 149,846.76
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Solution
The fourth proportional to 486,777.99, 730,236.21 and 149,846.76 is: 224,791.45
Step by Step Solution
- Step 1: Write the proportion equation
486,777.99 : 730,236.21 = 149,846.76 : x - Step 2: Convert to fraction form
486,777.99/730,236.21 = 149,846.76/x - Step 3: Cross multiply
486,777.99x = 730,236.21 × 149,846.76 - Step 4: Simplify right side
486,777.99x = 109,423,530,103.18 - Step 5: Solve for x
x = 109,423,530,103.18/486,777.99 - Step 6: Final answer
x = 224,791.45
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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.