Finding the Fourth Proportional to 237,899.54, 328,299.84 and 135,956.18
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Solution
The fourth proportional to 237,899.54, 328,299.84 and 135,956.18 is: 187,618.65
Step by Step Solution
- Step 1: Write the proportion equation
237,899.54 : 328,299.84 = 135,956.18 : x - Step 2: Convert to fraction form
237,899.54/328,299.84 = 135,956.18/x - Step 3: Cross multiply
237,899.54x = 328,299.84 × 135,956.18 - Step 4: Simplify right side
237,899.54x = 44,634,390,499.51 - Step 5: Solve for x
x = 44,634,390,499.51/237,899.54 - Step 6: Final answer
x = 187,618.65
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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.