Finding the Fourth Proportional to 138,366.44, 207,546.78 and 93,881.96
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Solution
The fourth proportional to 138,366.44, 207,546.78 and 93,881.96 is: 140,820.99
Step by Step Solution
- Step 1: Write the proportion equation
138,366.44 : 207,546.78 = 93,881.96 : x - Step 2: Convert to fraction form
138,366.44/207,546.78 = 93,881.96/x - Step 3: Cross multiply
138,366.44x = 207,546.78 × 93,881.96 - Step 4: Simplify right side
138,366.44x = 19,484,898,498.09 - Step 5: Solve for x
x = 19,484,898,498.09/138,366.44 - Step 6: Final answer
x = 140,820.99
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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.