Finding the Fourth Proportional to 332,859.40, 499,239.88 and 122,448.12
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Solution
The fourth proportional to 332,859.40, 499,239.88 and 122,448.12 is: 183,654.07
Step by Step Solution
- Step 1: Write the proportion equation
332,859.40 : 499,239.88 = 122,448.12 : x - Step 2: Convert to fraction form
332,859.40/499,239.88 = 122,448.12/x - Step 3: Cross multiply
332,859.40x = 499,239.88 × 122,448.12 - Step 4: Simplify right side
332,859.40x = 61,130,984,735.03 - Step 5: Solve for x
x = 61,130,984,735.03/332,859.40 - Step 6: Final answer
x = 183,654.07
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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.