Finding the Fourth Proportional to 145,244.51, 217,817.34 and 55,265.87
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Solution
The fourth proportional to 145,244.51, 217,817.34 and 55,265.87 is: 82,879.99
Step by Step Solution
- Step 1: Write the proportion equation
145,244.51 : 217,817.34 = 55,265.87 : x - Step 2: Convert to fraction form
145,244.51/217,817.34 = 55,265.87/x - Step 3: Cross multiply
145,244.51x = 217,817.34 × 55,265.87 - Step 4: Simplify right side
145,244.51x = 12,037,863,707.10 - Step 5: Solve for x
x = 12,037,863,707.10/145,244.51 - Step 6: Final answer
x = 82,879.99
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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.