Finding the Fourth Proportional to 198,776.56, 298,164.84 and 136,257.52
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Solution
The fourth proportional to 198,776.56, 298,164.84 and 136,257.52 is: 204,386.28
Step by Step Solution
- Step 1: Write the proportion equation
198,776.56 : 298,164.84 = 136,257.52 : x - Step 2: Convert to fraction form
198,776.56/298,164.84 = 136,257.52/x - Step 3: Cross multiply
198,776.56x = 298,164.84 × 136,257.52 - Step 4: Simplify right side
198,776.56x = 40,627,201,649.60 - Step 5: Solve for x
x = 40,627,201,649.60/198,776.56 - Step 6: Final answer
x = 204,386.28
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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.