Finding the Fourth Proportional to 135,266.10, 202,899.15 and 129,822.90
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Solution
The fourth proportional to 135,266.10, 202,899.15 and 129,822.90 is: 194,734.35
Step by Step Solution
- Step 1: Write the proportion equation
135,266.10 : 202,899.15 = 129,822.90 : x - Step 2: Convert to fraction form
135,266.10/202,899.15 = 129,822.90/x - Step 3: Cross multiply
135,266.10x = 202,899.15 × 129,822.90 - Step 4: Simplify right side
135,266.10x = 26,340,956,060.54 - Step 5: Solve for x
x = 26,340,956,060.54/135,266.10 - Step 6: Final answer
x = 194,734.35
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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.