Finding the Fourth Proportional to 620,232.30, 929,757.87 and 199,212.96
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Solution
The fourth proportional to 620,232.30, 929,757.87 and 199,212.96 is: 298,629.75
Step by Step Solution
- Step 1: Write the proportion equation
620,232.30 : 929,757.87 = 199,212.96 : x - Step 2: Convert to fraction form
620,232.30/929,757.87 = 199,212.96/x - Step 3: Cross multiply
620,232.30x = 929,757.87 × 199,212.96 - Step 4: Simplify right side
620,232.30x = 185,219,817,366.00 - Step 5: Solve for x
x = 185,219,817,366.00/620,232.30 - Step 6: Final answer
x = 298,629.75
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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.