Finding the Fourth Proportional to 122,381.26, 183,609.48 and 58,421.02
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Solution
The fourth proportional to 122,381.26, 183,609.48 and 58,421.02 is: 87,649.47
Step by Step Solution
- Step 1: Write the proportion equation
122,381.26 : 183,609.48 = 58,421.02 : x - Step 2: Convert to fraction form
122,381.26/183,609.48 = 58,421.02/x - Step 3: Cross multiply
122,381.26x = 183,609.48 × 58,421.02 - Step 4: Simplify right side
122,381.26x = 10,726,653,103.27 - Step 5: Solve for x
x = 10,726,653,103.27/122,381.26 - Step 6: Final answer
x = 87,649.47
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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.