Finding the Fourth Proportional to 383,491.23, 575,236.85 and 117,251.75
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Solution
The fourth proportional to 383,491.23, 575,236.85 and 117,251.75 is: 175,877.62
Step by Step Solution
- Step 1: Write the proportion equation
383,491.23 : 575,236.85 = 117,251.75 : x - Step 2: Convert to fraction form
383,491.23/575,236.85 = 117,251.75/x - Step 3: Cross multiply
383,491.23x = 575,236.85 × 117,251.75 - Step 4: Simplify right side
383,491.23x = 67,447,523,864.54 - Step 5: Solve for x
x = 67,447,523,864.54/383,491.23 - Step 6: Final answer
x = 175,877.62
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1.5x scale
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.