Finding the Fourth Proportional to 107,339.74, 161,013.94 and 27,379.78
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Solution
The fourth proportional to 107,339.74, 161,013.94 and 27,379.78 is: 41,070.77
Step by Step Solution
- Step 1: Write the proportion equation
107,339.74 : 161,013.94 = 27,379.78 : x - Step 2: Convert to fraction form
107,339.74/161,013.94 = 27,379.78/x - Step 3: Cross multiply
107,339.74x = 161,013.94 × 27,379.78 - Step 4: Simplify right side
107,339.74x = 4,408,526,254.13 - Step 5: Solve for x
x = 4,408,526,254.13/107,339.74 - Step 6: Final answer
x = 41,070.77
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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.