Finding the Fourth Proportional to 76,305.23, 114,420.91 and 26,367.81
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Solution
The fourth proportional to 76,305.23, 114,420.91 and 26,367.81 is: 39,538.95
Step by Step Solution
- Step 1: Write the proportion equation
76,305.23 : 114,420.91 = 26,367.81 : x - Step 2: Convert to fraction form
76,305.23/114,420.91 = 26,367.81/x - Step 3: Cross multiply
76,305.23x = 114,420.91 × 26,367.81 - Step 4: Simplify right side
76,305.23x = 3,017,028,814.91 - Step 5: Solve for x
x = 3,017,028,814.91/76,305.23 - Step 6: Final answer
x = 39,538.95
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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.