Finding the Fourth Proportional to 135,318.11, 202,817.99 and 55,306.71
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Solution
The fourth proportional to 135,318.11, 202,817.99 and 55,306.71 is: 82,895.01
Step by Step Solution
- Step 1: Write the proportion equation
135,318.11 : 202,817.99 = 55,306.71 : x - Step 2: Convert to fraction form
135,318.11/202,817.99 = 55,306.71/x - Step 3: Cross multiply
135,318.11x = 202,817.99 × 55,306.71 - Step 4: Simplify right side
135,318.11x = 11,217,195,893.98 - Step 5: Solve for x
x = 11,217,195,893.98/135,318.11 - Step 6: Final answer
x = 82,895.01
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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.