Finding the Fourth Proportional to 237,912.21, 328,288.50 and 135,944.28
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Solution
The fourth proportional to 237,912.21, 328,288.50 and 135,944.28 is: 187,585.76
Step by Step Solution
- Step 1: Write the proportion equation
237,912.21 : 328,288.50 = 135,944.28 : x - Step 2: Convert to fraction form
237,912.21/328,288.50 = 135,944.28/x - Step 3: Cross multiply
237,912.21x = 328,288.50 × 135,944.28 - Step 4: Simplify right side
237,912.21x = 44,628,943,764.78 - Step 5: Solve for x
x = 44,628,943,764.78/237,912.21 - Step 6: Final answer
x = 187,585.76
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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.