Finding the Fourth Proportional to 298,546.74, 412,519.11 and 238,611.99
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Solution
The fourth proportional to 298,546.74, 412,519.11 and 238,611.99 is: 329,703.84
Step by Step Solution
- Step 1: Write the proportion equation
298,546.74 : 412,519.11 = 238,611.99 : x - Step 2: Convert to fraction form
298,546.74/412,519.11 = 238,611.99/x - Step 3: Cross multiply
298,546.74x = 412,519.11 × 238,611.99 - Step 4: Simplify right side
298,546.74x = 98,432,005,750.13 - Step 5: Solve for x
x = 98,432,005,750.13/298,546.74 - Step 6: Final answer
x = 329,703.84
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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.