Finding the Fourth Proportional to 330,891.74, 496,392.98 and 259,811.52
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Solution
The fourth proportional to 330,891.74, 496,392.98 and 259,811.52 is: 389,760.76
Step by Step Solution
- Step 1: Write the proportion equation
330,891.74 : 496,392.98 = 259,811.52 : x - Step 2: Convert to fraction form
330,891.74/496,392.98 = 259,811.52/x - Step 3: Cross multiply
330,891.74x = 496,392.98 × 259,811.52 - Step 4: Simplify right side
330,891.74x = 128,968,614,651.13 - Step 5: Solve for x
x = 128,968,614,651.13/330,891.74 - Step 6: Final answer
x = 389,760.76
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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.