Finding the Fourth Proportional to 951,908.10, 1,427,862.15 and 320,756.10
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Solution
The fourth proportional to 951,908.10, 1,427,862.15 and 320,756.10 is: 481,134.15
Step by Step Solution
- Step 1: Write the proportion equation
951,908.10 : 1,427,862.15 = 320,756.10 : x - Step 2: Convert to fraction form
951,908.10/1,427,862.15 = 320,756.10/x - Step 3: Cross multiply
951,908.10x = 1,427,862.15 × 320,756.10 - Step 4: Simplify right side
951,908.10x = 457,995,494,571.62 - Step 5: Solve for x
x = 457,995,494,571.62/951,908.10 - Step 6: Final answer
x = 481,134.15
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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.