Finding the Fourth Proportional to 80,947.56, 121,392.18 and 34,204.08
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Solution
The fourth proportional to 80,947.56, 121,392.18 and 34,204.08 is: 51,293.80
Step by Step Solution
- Step 1: Write the proportion equation
80,947.56 : 121,392.18 = 34,204.08 : x - Step 2: Convert to fraction form
80,947.56/121,392.18 = 34,204.08/x - Step 3: Cross multiply
80,947.56x = 121,392.18 × 34,204.08 - Step 4: Simplify right side
80,947.56x = 4,152,107,836.09 - Step 5: Solve for x
x = 4,152,107,836.09/80,947.56 - Step 6: Final answer
x = 51,293.80
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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.