Finding the Fourth Proportional to 243,317.82, 335,775.27 and 135,889.74
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Solution
The fourth proportional to 243,317.82, 335,775.27 and 135,889.74 is: 187,525.99
Step by Step Solution
- Step 1: Write the proportion equation
243,317.82 : 335,775.27 = 135,889.74 : x - Step 2: Convert to fraction form
243,317.82/335,775.27 = 135,889.74/x - Step 3: Cross multiply
243,317.82x = 335,775.27 × 135,889.74 - Step 4: Simplify right side
243,317.82x = 45,628,414,138.73 - Step 5: Solve for x
x = 45,628,414,138.73/243,317.82 - Step 6: Final answer
x = 187,525.99
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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.