Finding the Fourth Proportional to 383,368.26, 529,048.14 and 211,286.18
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Solution
The fourth proportional to 383,368.26, 529,048.14 and 211,286.18 is: 291,574.90
Step by Step Solution
- Step 1: Write the proportion equation
383,368.26 : 529,048.14 = 211,286.18 : x - Step 2: Convert to fraction form
383,368.26/529,048.14 = 211,286.18/x - Step 3: Cross multiply
383,368.26x = 529,048.14 × 211,286.18 - Step 4: Simplify right side
383,368.26x = 111,780,560,536.71 - Step 5: Solve for x
x = 111,780,560,536.71/383,368.26 - Step 6: Final answer
x = 291,574.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.