Finding the Fourth Proportional to 307,729.78, 461,244.74 and 130,125.94
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Solution
The fourth proportional to 307,729.78, 461,244.74 and 130,125.94 is: 195,040.94
Step by Step Solution
- Step 1: Write the proportion equation
307,729.78 : 461,244.74 = 130,125.94 : x - Step 2: Convert to fraction form
307,729.78/461,244.74 = 130,125.94/x - Step 3: Cross multiply
307,729.78x = 461,244.74 × 130,125.94 - Step 4: Simplify right side
307,729.78x = 60,019,905,362.56 - Step 5: Solve for x
x = 60,019,905,362.56/307,729.78 - Step 6: Final answer
x = 195,040.94
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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.