Finding the Fourth Proportional to 383,515.41, 529,269.39 and 213,750.75
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Solution
The fourth proportional to 383,515.41, 529,269.39 and 213,750.75 is: 294,986.14
Step by Step Solution
- Step 1: Write the proportion equation
383,515.41 : 529,269.39 = 213,750.75 : x - Step 2: Convert to fraction form
383,515.41/529,269.39 = 213,750.75/x - Step 3: Cross multiply
383,515.41x = 529,269.39 × 213,750.75 - Step 4: Simplify right side
383,515.41x = 113,131,729,064.54 - Step 5: Solve for x
x = 113,131,729,064.54/383,515.41 - Step 6: Final answer
x = 294,986.14
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1.5x scale
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.