Finding the Fourth Proportional to 383,358.26, 529,037.97 and 211,282.36
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Solution
The fourth proportional to 383,358.26, 529,037.97 and 211,282.36 is: 291,571.63
Step by Step Solution
- Step 1: Write the proportion equation
383,358.26 : 529,037.97 = 211,282.36 : x - Step 2: Convert to fraction form
383,358.26/529,037.97 = 211,282.36/x - Step 3: Cross multiply
383,358.26x = 529,037.97 × 211,282.36 - Step 4: Simplify right side
383,358.26x = 111,776,390,831.21 - Step 5: Solve for x
x = 111,776,390,831.21/383,358.26 - Step 6: Final answer
x = 291,571.63
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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.