Finding the Fourth Proportional to 178,754.13, 246,682.73 and 98,183.54
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Solution
The fourth proportional to 178,754.13, 246,682.73 and 98,183.54 is: 135,494.40
Step by Step Solution
- Step 1: Write the proportion equation
178,754.13 : 246,682.73 = 98,183.54 : x - Step 2: Convert to fraction form
178,754.13/246,682.73 = 98,183.54/x - Step 3: Cross multiply
178,754.13x = 246,682.73 × 98,183.54 - Step 4: Simplify right side
178,754.13x = 24,220,183,688.26 - Step 5: Solve for x
x = 24,220,183,688.26/178,754.13 - Step 6: Final answer
x = 135,494.40
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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.