Finding the Fourth Proportional to 138,175.93, 207,266.33 and 49,493.08
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Solution
The fourth proportional to 138,175.93, 207,266.33 and 49,493.08 is: 74,240.49
Step by Step Solution
- Step 1: Write the proportion equation
138,175.93 : 207,266.33 = 49,493.08 : x - Step 2: Convert to fraction form
138,175.93/207,266.33 = 49,493.08/x - Step 3: Cross multiply
138,175.93x = 207,266.33 × 49,493.08 - Step 4: Simplify right side
138,175.93x = 10,258,249,052.00 - Step 5: Solve for x
x = 10,258,249,052.00/138,175.93 - Step 6: Final answer
x = 74,240.49
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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.