Finding the Fourth Proportional to 76,197.36, 114,303.57 and 26,270.90
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Solution
The fourth proportional to 76,197.36, 114,303.57 and 26,270.90 is: 39,408.95
Step by Step Solution
- Step 1: Write the proportion equation
76,197.36 : 114,303.57 = 26,270.90 : x - Step 2: Convert to fraction form
76,197.36/114,303.57 = 26,270.90/x - Step 3: Cross multiply
76,197.36x = 114,303.57 × 26,270.90 - Step 4: Simplify right side
76,197.36x = 3,002,857,657.11 - Step 5: Solve for x
x = 3,002,857,657.11/76,197.36 - Step 6: Final answer
x = 39,408.95
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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.