Finding the Fourth Proportional to 205,709.76, 283,765.20 and 119,659.02
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Solution
The fourth proportional to 205,709.76, 283,765.20 and 119,659.02 is: 165,062.98
Step by Step Solution
- Step 1: Write the proportion equation
205,709.76 : 283,765.20 = 119,659.02 : x - Step 2: Convert to fraction form
205,709.76/283,765.20 = 119,659.02/x - Step 3: Cross multiply
205,709.76x = 283,765.20 × 119,659.02 - Step 4: Simplify right side
205,709.76x = 33,955,065,742.10 - Step 5: Solve for x
x = 33,955,065,742.10/205,709.76 - Step 6: Final answer
x = 165,062.98
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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.