Finding the Fourth Proportional to 332,158.20, 498,237.30 and 121,768.80
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Solution
The fourth proportional to 332,158.20, 498,237.30 and 121,768.80 is: 182,653.20
Step by Step Solution
- Step 1: Write the proportion equation
332,158.20 : 498,237.30 = 121,768.80 : x - Step 2: Convert to fraction form
332,158.20/498,237.30 = 121,768.80/x - Step 3: Cross multiply
332,158.20x = 498,237.30 × 121,768.80 - Step 4: Simplify right side
332,158.20x = 60,669,758,136.24 - Step 5: Solve for x
x = 60,669,758,136.24/332,158.20 - Step 6: Final answer
x = 182,653.20
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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.