Finding the Fourth Proportional to 385,369.37, 577,305.97 and 283,983.38
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Solution
The fourth proportional to 385,369.37, 577,305.97 and 283,983.38 is: 425,423.79
Step by Step Solution
- Step 1: Write the proportion equation
385,369.37 : 577,305.97 = 283,983.38 : x - Step 2: Convert to fraction form
385,369.37/577,305.97 = 283,983.38/x - Step 3: Cross multiply
385,369.37x = 577,305.97 × 283,983.38 - Step 4: Simplify right side
385,369.37x = 163,945,297,058.29 - Step 5: Solve for x
x = 163,945,297,058.29/385,369.37 - Step 6: Final answer
x = 425,423.79
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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.