Finding the Fourth Proportional to 138,104.24, 207,218.64 and 62,221.68
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Solution
The fourth proportional to 138,104.24, 207,218.64 and 62,221.68 is: 93,360.58
Step by Step Solution
- Step 1: Write the proportion equation
138,104.24 : 207,218.64 = 62,221.68 : x - Step 2: Convert to fraction form
138,104.24/207,218.64 = 62,221.68/x - Step 3: Cross multiply
138,104.24x = 207,218.64 × 62,221.68 - Step 4: Simplify right side
138,104.24x = 12,893,491,908.12 - Step 5: Solve for x
x = 12,893,491,908.12/138,104.24 - Step 6: Final answer
x = 93,360.58
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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.