Finding the Fourth Proportional to 145,174.67, 217,712.36 and 55,195.68
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Solution
The fourth proportional to 145,174.67, 217,712.36 and 55,195.68 is: 82,774.65
Step by Step Solution
- Step 1: Write the proportion equation
145,174.67 : 217,712.36 = 55,195.68 : x - Step 2: Convert to fraction form
145,174.67/217,712.36 = 55,195.68/x - Step 3: Cross multiply
145,174.67x = 217,712.36 × 55,195.68 - Step 4: Simplify right side
145,174.67x = 12,016,781,478.63 - Step 5: Solve for x
x = 12,016,781,478.63/145,174.67 - Step 6: Final answer
x = 82,774.65
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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.