Finding the Fourth Proportional to 153,855.26, 230,885.97 and 54,015.75
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Solution
The fourth proportional to 153,855.26, 230,885.97 and 54,015.75 is: 81,059.82
Step by Step Solution
- Step 1: Write the proportion equation
153,855.26 : 230,885.97 = 54,015.75 : x - Step 2: Convert to fraction form
153,855.26/230,885.97 = 54,015.75/x - Step 3: Cross multiply
153,855.26x = 230,885.97 × 54,015.75 - Step 4: Simplify right side
153,855.26x = 12,471,478,834.03 - Step 5: Solve for x
x = 12,471,478,834.03/153,855.26 - Step 6: Final answer
x = 81,059.82
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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.