Finding the Fourth Proportional to 138,363.07, 207,544.76 and 38,523.49
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Solution
The fourth proportional to 138,363.07, 207,544.76 and 38,523.49 is: 57,785.28
Step by Step Solution
- Step 1: Write the proportion equation
138,363.07 : 207,544.76 = 38,523.49 : x - Step 2: Convert to fraction form
138,363.07/207,544.76 = 38,523.49/x - Step 3: Cross multiply
138,363.07x = 207,544.76 × 38,523.49 - Step 4: Simplify right side
138,363.07x = 7,995,348,486.41 - Step 5: Solve for x
x = 7,995,348,486.41/138,363.07 - Step 6: Final answer
x = 57,785.28
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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.