Finding the Fourth Proportional to 76,206.70, 114,288.18 and 26,284.78
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Solution
The fourth proportional to 76,206.70, 114,288.18 and 26,284.78 is: 39,419.63
Step by Step Solution
- Step 1: Write the proportion equation
76,206.70 : 114,288.18 = 26,284.78 : x - Step 2: Convert to fraction form
76,206.70/114,288.18 = 26,284.78/x - Step 3: Cross multiply
76,206.70x = 114,288.18 × 26,284.78 - Step 4: Simplify right side
76,206.70x = 3,004,039,667.90 - Step 5: Solve for x
x = 3,004,039,667.90/76,206.70 - Step 6: Final answer
x = 39,419.63
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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.