Finding the Fourth Proportional to 229,874.14, 344,624.91 and 103,421.80
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Solution
The fourth proportional to 229,874.14, 344,624.91 and 103,421.80 is: 155,048.88
Step by Step Solution
- Step 1: Write the proportion equation
229,874.14 : 344,624.91 = 103,421.80 : x - Step 2: Convert to fraction form
229,874.14/344,624.91 = 103,421.80/x - Step 3: Cross multiply
229,874.14x = 344,624.91 × 103,421.80 - Step 4: Simplify right side
229,874.14x = 35,641,728,517.04 - Step 5: Solve for x
x = 35,641,728,517.04/229,874.14 - Step 6: Final answer
x = 155,048.88
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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.