Finding the Fourth Proportional to 178,850.13, 246,816.62 and 98,272.85
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Solution
The fourth proportional to 178,850.13, 246,816.62 and 98,272.85 is: 135,618.42
Step by Step Solution
- Step 1: Write the proportion equation
178,850.13 : 246,816.62 = 98,272.85 : x - Step 2: Convert to fraction form
178,850.13/246,816.62 = 98,272.85/x - Step 3: Cross multiply
178,850.13x = 246,816.62 × 98,272.85 - Step 4: Simplify right side
178,850.13x = 24,255,371,317.84 - Step 5: Solve for x
x = 24,255,371,317.84/178,850.13 - Step 6: Final answer
x = 135,618.42
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1.5x scale
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.