Finding the Fourth Proportional to 178,739.08, 246,660.05 and 98,170.61
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Solution
The fourth proportional to 178,739.08, 246,660.05 and 98,170.61 is: 135,475.50
Step by Step Solution
- Step 1: Write the proportion equation
178,739.08 : 246,660.05 = 98,170.61 : x - Step 2: Convert to fraction form
178,739.08/246,660.05 = 98,170.61/x - Step 3: Cross multiply
178,739.08x = 246,660.05 × 98,170.61 - Step 4: Simplify right side
178,739.08x = 24,214,766,583.26 - Step 5: Solve for x
x = 24,214,766,583.26/178,739.08 - Step 6: Final answer
x = 135,475.50
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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.