Finding the Fourth Proportional to 138,266.44, 207,480.15 and 58,299.39
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Solution
The fourth proportional to 138,266.44, 207,480.15 and 58,299.39 is: 87,483.02
Step by Step Solution
- Step 1: Write the proportion equation
138,266.44 : 207,480.15 = 58,299.39 : x - Step 2: Convert to fraction form
138,266.44/207,480.15 = 58,299.39/x - Step 3: Cross multiply
138,266.44x = 207,480.15 × 58,299.39 - Step 4: Simplify right side
138,266.44x = 12,095,964,853.21 - Step 5: Solve for x
x = 12,095,964,853.21/138,266.44 - Step 6: Final answer
x = 87,483.02
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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.