Finding the Fourth Proportional to 385,177.55, 531,617.99 and 258,073.97
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Solution
The fourth proportional to 385,177.55, 531,617.99 and 258,073.97 is: 356,190.96
Step by Step Solution
- Step 1: Write the proportion equation
385,177.55 : 531,617.99 = 258,073.97 : x - Step 2: Convert to fraction form
385,177.55/531,617.99 = 258,073.97/x - Step 3: Cross multiply
385,177.55x = 531,617.99 × 258,073.97 - Step 4: Simplify right side
385,177.55x = 137,196,761,254.26 - Step 5: Solve for x
x = 137,196,761,254.26/385,177.55 - Step 6: Final answer
x = 356,190.96
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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.