Finding the Fourth Proportional to 178,754.49, 246,683.21 and 98,183.88
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Solution
The fourth proportional to 178,754.49, 246,683.21 and 98,183.88 is: 135,494.86
Step by Step Solution
- Step 1: Write the proportion equation
178,754.49 : 246,683.21 = 98,183.88 : x - Step 2: Convert to fraction form
178,754.49/246,683.21 = 98,183.88/x - Step 3: Cross multiply
178,754.49x = 246,683.21 × 98,183.88 - Step 4: Simplify right side
178,754.49x = 24,220,314,197.74 - Step 5: Solve for x
x = 24,220,314,197.74/178,754.49 - Step 6: Final answer
x = 135,494.86
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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.