Finding the Fourth Proportional to 178,489.56, 246,482.28 and 114,939.12
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Solution
The fourth proportional to 178,489.56, 246,482.28 and 114,939.12 is: 158,723.32
Step by Step Solution
- Step 1: Write the proportion equation
178,489.56 : 246,482.28 = 114,939.12 : x - Step 2: Convert to fraction form
178,489.56/246,482.28 = 114,939.12/x - Step 3: Cross multiply
178,489.56x = 246,482.28 × 114,939.12 - Step 4: Simplify right side
178,489.56x = 28,330,456,358.79 - Step 5: Solve for x
x = 28,330,456,358.79/178,489.56 - Step 6: Final answer
x = 158,723.32
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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.