Finding the Fourth Proportional to 332,621.23, 499,128.68 and 122,406.79
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Solution
The fourth proportional to 332,621.23, 499,128.68 and 122,406.79 is: 183,682.62
Step by Step Solution
- Step 1: Write the proportion equation
332,621.23 : 499,128.68 = 122,406.79 : x - Step 2: Convert to fraction form
332,621.23/499,128.68 = 122,406.79/x - Step 3: Cross multiply
332,621.23x = 499,128.68 × 122,406.79 - Step 4: Simplify right side
332,621.23x = 61,096,739,515.74 - Step 5: Solve for x
x = 61,096,739,515.74/332,621.23 - Step 6: Final answer
x = 183,682.62
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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.