Finding the Fourth Proportional to 187,794.24, 259,163.04 and 107,222.40
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Solution
The fourth proportional to 187,794.24, 259,163.04 and 107,222.40 is: 147,970.90
Step by Step Solution
- Step 1: Write the proportion equation
187,794.24 : 259,163.04 = 107,222.40 : x - Step 2: Convert to fraction form
187,794.24/259,163.04 = 107,222.40/x - Step 3: Cross multiply
187,794.24x = 259,163.04 × 107,222.40 - Step 4: Simplify right side
187,794.24x = 27,788,083,140.10 - Step 5: Solve for x
x = 27,788,083,140.10/187,794.24 - Step 6: Final answer
x = 147,970.90
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1.5x scale
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.