Finding the Fourth Proportional to 332,780.80, 499,220.34 and 122,403.28
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Solution
The fourth proportional to 332,780.80, 499,220.34 and 122,403.28 is: 183,622.99
Step by Step Solution
- Step 1: Write the proportion equation
332,780.80 : 499,220.34 = 122,403.28 : x - Step 2: Convert to fraction form
332,780.80/499,220.34 = 122,403.28/x - Step 3: Cross multiply
332,780.80x = 499,220.34 × 122,403.28 - Step 4: Simplify right side
332,780.80x = 61,106,207,058.72 - Step 5: Solve for x
x = 61,106,207,058.72/332,780.80 - Step 6: Final answer
x = 183,622.99
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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.