Finding the Fourth Proportional to 366,923.70, 550,358.21 and 153,636.53
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Solution
The fourth proportional to 366,923.70, 550,358.21 and 153,636.53 is: 230,443.34
Step by Step Solution
- Step 1: Write the proportion equation
366,923.70 : 550,358.21 = 153,636.53 : x - Step 2: Convert to fraction form
366,923.70/550,358.21 = 153,636.53/x - Step 3: Cross multiply
366,923.70x = 550,358.21 × 153,636.53 - Step 4: Simplify right side
366,923.70x = 84,555,122,121.44 - Step 5: Solve for x
x = 84,555,122,121.44/366,923.70 - Step 6: Final answer
x = 230,443.34
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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.