Finding the Fourth Proportional to 383,392.19, 574,452.46 and 233,178.09
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Solution
The fourth proportional to 383,392.19, 574,452.46 and 233,178.09 is: 349,380.43
Step by Step Solution
- Step 1: Write the proportion equation
383,392.19 : 574,452.46 = 233,178.09 : x - Step 2: Convert to fraction form
383,392.19/574,452.46 = 233,178.09/x - Step 3: Cross multiply
383,392.19x = 574,452.46 × 233,178.09 - Step 4: Simplify right side
383,392.19x = 133,949,727,475.55 - Step 5: Solve for x
x = 133,949,727,475.55/383,392.19 - Step 6: Final answer
x = 349,380.43
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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.