Finding the Fourth Proportional to 218,619.02, 327,187.86 and 134,432.52
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Solution
The fourth proportional to 218,619.02, 327,187.86 and 134,432.52 is: 201,193.33
Step by Step Solution
- Step 1: Write the proportion equation
218,619.02 : 327,187.86 = 134,432.52 : x - Step 2: Convert to fraction form
218,619.02/327,187.86 = 134,432.52/x - Step 3: Cross multiply
218,619.02x = 327,187.86 × 134,432.52 - Step 4: Simplify right side
218,619.02x = 43,984,688,533.21 - Step 5: Solve for x
x = 43,984,688,533.21/218,619.02 - Step 6: Final answer
x = 201,193.33
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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.