Finding the Fourth Proportional to 361,782.24, 499,488.19 and 232,780.69
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Solution
The fourth proportional to 361,782.24, 499,488.19 and 232,780.69 is: 321,384.50
Step by Step Solution
- Step 1: Write the proportion equation
361,782.24 : 499,488.19 = 232,780.69 : x - Step 2: Convert to fraction form
361,782.24/499,488.19 = 232,780.69/x - Step 3: Cross multiply
361,782.24x = 499,488.19 × 232,780.69 - Step 4: Simplify right side
361,782.24x = 116,271,204,351.15 - Step 5: Solve for x
x = 116,271,204,351.15/361,782.24 - Step 6: Final answer
x = 321,384.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.