Finding the Fourth Proportional to 79,678.33, 119,518.18 and 22,752.09
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Solution
The fourth proportional to 79,678.33, 119,518.18 and 22,752.09 is: 34,128.33
Step by Step Solution
- Step 1: Write the proportion equation
79,678.33 : 119,518.18 = 22,752.09 : x - Step 2: Convert to fraction form
79,678.33/119,518.18 = 22,752.09/x - Step 3: Cross multiply
79,678.33x = 119,518.18 × 22,752.09 - Step 4: Simplify right side
79,678.33x = 2,719,288,459.10 - Step 5: Solve for x
x = 2,719,288,459.10/79,678.33 - Step 6: Final answer
x = 34,128.33
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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.