Finding the Fourth Proportional to 79,869.22, 119,814.63 and 27,264.58
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Solution
The fourth proportional to 79,869.22, 119,814.63 and 27,264.58 is: 40,900.56
Step by Step Solution
- Step 1: Write the proportion equation
79,869.22 : 119,814.63 = 27,264.58 : x - Step 2: Convert to fraction form
79,869.22/119,814.63 = 27,264.58/x - Step 3: Cross multiply
79,869.22x = 119,814.63 × 27,264.58 - Step 4: Simplify right side
79,869.22x = 3,266,695,564.81 - Step 5: Solve for x
x = 3,266,695,564.81/79,869.22 - Step 6: Final answer
x = 40,900.56
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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.