Finding the Fourth Proportional to 178,771.96, 246,693.18 and 98,202.88
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Solution
The fourth proportional to 178,771.96, 246,693.18 and 98,202.88 is: 135,513.31
Step by Step Solution
- Step 1: Write the proportion equation
178,771.96 : 246,693.18 = 98,202.88 : x - Step 2: Convert to fraction form
178,771.96/246,693.18 = 98,202.88/x - Step 3: Cross multiply
178,771.96x = 246,693.18 × 98,202.88 - Step 4: Simplify right side
178,771.96x = 24,225,980,752.36 - Step 5: Solve for x
x = 24,225,980,752.36/178,771.96 - Step 6: Final answer
x = 135,513.31
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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.