Finding the Fourth Proportional to 76,396.40, 114,567.18 and 26,463.08
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Solution
The fourth proportional to 76,396.40, 114,567.18 and 26,463.08 is: 39,685.12
Step by Step Solution
- Step 1: Write the proportion equation
76,396.40 : 114,567.18 = 26,463.08 : x - Step 2: Convert to fraction form
76,396.40/114,567.18 = 26,463.08/x - Step 3: Cross multiply
76,396.40x = 114,567.18 × 26,463.08 - Step 4: Simplify right side
76,396.40x = 3,031,800,449.71 - Step 5: Solve for x
x = 3,031,800,449.71/76,396.40 - Step 6: Final answer
x = 39,685.12
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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.