Finding the Fourth Proportional to 178,900.76, 246,863.22 and 107,283.80
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Solution
The fourth proportional to 178,900.76, 246,863.22 and 107,283.80 is: 148,039.75
Step by Step Solution
- Step 1: Write the proportion equation
178,900.76 : 246,863.22 = 107,283.80 : x - Step 2: Convert to fraction form
178,900.76/246,863.22 = 107,283.80/x - Step 3: Cross multiply
178,900.76x = 246,863.22 × 107,283.80 - Step 4: Simplify right side
178,900.76x = 26,484,424,321.84 - Step 5: Solve for x
x = 26,484,424,321.84/178,900.76 - Step 6: Final answer
x = 148,039.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.