Finding the Fourth Proportional to 289,079.96, 398,930.87 and 160,027.41
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Solution
The fourth proportional to 289,079.96, 398,930.87 and 160,027.41 is: 220,838.12
Step by Step Solution
- Step 1: Write the proportion equation
289,079.96 : 398,930.87 = 160,027.41 : x - Step 2: Convert to fraction form
289,079.96/398,930.87 = 160,027.41/x - Step 3: Cross multiply
289,079.96x = 398,930.87 × 160,027.41 - Step 4: Simplify right side
289,079.96x = 63,839,873,095.01 - Step 5: Solve for x
x = 63,839,873,095.01/289,079.96 - Step 6: Final answer
x = 220,838.12
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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.