Finding the Fourth Proportional to 135,476.55, 202,624.34 and 79,183.17
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Solution
The fourth proportional to 135,476.55, 202,624.34 and 79,183.17 is: 118,429.63
Step by Step Solution
- Step 1: Write the proportion equation
135,476.55 : 202,624.34 = 79,183.17 : x - Step 2: Convert to fraction form
135,476.55/202,624.34 = 79,183.17/x - Step 3: Cross multiply
135,476.55x = 202,624.34 × 79,183.17 - Step 4: Simplify right side
135,476.55x = 16,044,437,164.44 - Step 5: Solve for x
x = 16,044,437,164.44/135,476.55 - Step 6: Final answer
x = 118,429.63
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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.