Finding the Fourth Proportional to 178,575.84, 246,471.12 and 103,114.08
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Solution
The fourth proportional to 178,575.84, 246,471.12 and 103,114.08 is: 142,318.48
Step by Step Solution
- Step 1: Write the proportion equation
178,575.84 : 246,471.12 = 103,114.08 : x - Step 2: Convert to fraction form
178,575.84/246,471.12 = 103,114.08/x - Step 3: Cross multiply
178,575.84x = 246,471.12 × 103,114.08 - Step 4: Simplify right side
178,575.84x = 25,414,642,785.37 - Step 5: Solve for x
x = 25,414,642,785.37/178,575.84 - Step 6: Final answer
x = 142,318.48
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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.