Finding the Fourth Proportional to 138,480.93, 207,638.36 and 63,507.17
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Solution
The fourth proportional to 138,480.93, 207,638.36 and 63,507.17 is: 95,222.68
Step by Step Solution
- Step 1: Write the proportion equation
138,480.93 : 207,638.36 = 63,507.17 : x - Step 2: Convert to fraction form
138,480.93/207,638.36 = 63,507.17/x - Step 3: Cross multiply
138,480.93x = 207,638.36 × 63,507.17 - Step 4: Simplify right side
138,480.93x = 13,186,524,627.04 - Step 5: Solve for x
x = 13,186,524,627.04/138,480.93 - Step 6: Final answer
x = 95,222.68
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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.