Finding the Fourth Proportional to 150,449.13, 207,618.99 and 82,468.97
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Solution
The fourth proportional to 150,449.13, 207,618.99 and 82,468.97 is: 113,806.73
Step by Step Solution
- Step 1: Write the proportion equation
150,449.13 : 207,618.99 = 82,468.97 : x - Step 2: Convert to fraction form
150,449.13/207,618.99 = 82,468.97/x - Step 3: Cross multiply
150,449.13x = 207,618.99 × 82,468.97 - Step 4: Simplify right side
150,449.13x = 17,122,124,257.74 - Step 5: Solve for x
x = 17,122,124,257.74/150,449.13 - Step 6: Final answer
x = 113,806.73
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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.