Finding the Fourth Proportional to 178,816.86, 246,768.93 and 98,246.05
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Solution
The fourth proportional to 178,816.86, 246,768.93 and 98,246.05 is: 135,580.46
Step by Step Solution
- Step 1: Write the proportion equation
178,816.86 : 246,768.93 = 98,246.05 : x - Step 2: Convert to fraction form
178,816.86/246,768.93 = 98,246.05/x - Step 3: Cross multiply
178,816.86x = 246,768.93 × 98,246.05 - Step 4: Simplify right side
178,816.86x = 24,244,072,635.23 - Step 5: Solve for x
x = 24,244,072,635.23/178,816.86 - Step 6: Final answer
x = 135,580.46
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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.