Finding the Fourth Proportional to 76,289.22, 114,438.87 and 26,374.14
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Solution
The fourth proportional to 76,289.22, 114,438.87 and 26,374.14 is: 39,562.95
Step by Step Solution
- Step 1: Write the proportion equation
76,289.22 : 114,438.87 = 26,374.14 : x - Step 2: Convert to fraction form
76,289.22/114,438.87 = 26,374.14/x - Step 3: Cross multiply
76,289.22x = 114,438.87 × 26,374.14 - Step 4: Simplify right side
76,289.22x = 3,018,226,778.82 - Step 5: Solve for x
x = 3,018,226,778.82/76,289.22 - Step 6: Final answer
x = 39,562.95
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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.