Finding the Fourth Proportional to 330,828.99, 456,543.99 and 187,589.00
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Solution
The fourth proportional to 330,828.99, 456,543.99 and 187,589.00 is: 258,872.80
Step by Step Solution
- Step 1: Write the proportion equation
330,828.99 : 456,543.99 = 187,589.00 : x - Step 2: Convert to fraction form
330,828.99/456,543.99 = 187,589.00/x - Step 3: Cross multiply
330,828.99x = 456,543.99 × 187,589.00 - Step 4: Simplify right side
330,828.99x = 85,642,628,257.39 - Step 5: Solve for x
x = 85,642,628,257.39/330,828.99 - Step 6: Final answer
x = 258,872.80
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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.