Finding the Fourth Proportional to 135,300.56, 203,116.68 and 129,949.02
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Solution
The fourth proportional to 135,300.56, 203,116.68 and 129,949.02 is: 195,082.82
Step by Step Solution
- Step 1: Write the proportion equation
135,300.56 : 203,116.68 = 129,949.02 : x - Step 2: Convert to fraction form
135,300.56/203,116.68 = 129,949.02/x - Step 3: Cross multiply
135,300.56x = 203,116.68 × 129,949.02 - Step 4: Simplify right side
135,300.56x = 26,394,813,511.65 - Step 5: Solve for x
x = 26,394,813,511.65/135,300.56 - Step 6: Final answer
x = 195,082.82
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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.