Finding the Fourth Proportional to 79,446.36, 119,186.70 and 26,854.68
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Solution
The fourth proportional to 79,446.36, 119,186.70 and 26,854.68 is: 40,287.82
Step by Step Solution
- Step 1: Write the proportion equation
79,446.36 : 119,186.70 = 26,854.68 : x - Step 2: Convert to fraction form
79,446.36/119,186.70 = 26,854.68/x - Step 3: Cross multiply
79,446.36x = 119,186.70 × 26,854.68 - Step 4: Simplify right side
79,446.36x = 3,200,720,688.76 - Step 5: Solve for x
x = 3,200,720,688.76/79,446.36 - Step 6: Final answer
x = 40,287.82
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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.