Finding the Fourth Proportional to 86,366.49, 129,562.17 and 27,206.91
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Solution
The fourth proportional to 86,366.49, 129,562.17 and 27,206.91 is: 40,814.28
Step by Step Solution
- Step 1: Write the proportion equation
86,366.49 : 129,562.17 = 27,206.91 : x - Step 2: Convert to fraction form
86,366.49/129,562.17 = 27,206.91/x - Step 3: Cross multiply
86,366.49x = 129,562.17 × 27,206.91 - Step 4: Simplify right side
86,366.49x = 3,524,986,298.59 - Step 5: Solve for x
x = 3,524,986,298.59/86,366.49 - Step 6: Final answer
x = 40,814.28
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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.