Finding the Fourth Proportional to 178,998.14, 247,055.18 and 113,544.74
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Solution
The fourth proportional to 178,998.14, 247,055.18 and 113,544.74 is: 156,715.68
Step by Step Solution
- Step 1: Write the proportion equation
178,998.14 : 247,055.18 = 113,544.74 : x - Step 2: Convert to fraction form
178,998.14/247,055.18 = 113,544.74/x - Step 3: Cross multiply
178,998.14x = 247,055.18 × 113,544.74 - Step 4: Simplify right side
178,998.14x = 28,051,814,375.75 - Step 5: Solve for x
x = 28,051,814,375.75/178,998.14 - Step 6: Final answer
x = 156,715.68
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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.