Finding the Fourth Proportional to 237,742.10, 356,237.55 and 87,775.70
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Solution
The fourth proportional to 237,742.10, 356,237.55 and 87,775.70 is: 131,524.88
Step by Step Solution
- Step 1: Write the proportion equation
237,742.10 : 356,237.55 = 87,775.70 : x - Step 2: Convert to fraction form
237,742.10/356,237.55 = 87,775.70/x - Step 3: Cross multiply
237,742.10x = 356,237.55 × 87,775.70 - Step 4: Simplify right side
237,742.10x = 31,269,000,317.54 - Step 5: Solve for x
x = 31,269,000,317.54/237,742.10 - Step 6: Final answer
x = 131,524.88
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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.