Finding the Fourth Proportional to 160,439.14, 239,683.64 and 103,817.98
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Solution
The fourth proportional to 160,439.14, 239,683.64 and 103,817.98 is: 155,096.02
Step by Step Solution
- Step 1: Write the proportion equation
160,439.14 : 239,683.64 = 103,817.98 : x - Step 2: Convert to fraction form
160,439.14/239,683.64 = 103,817.98/x - Step 3: Cross multiply
160,439.14x = 239,683.64 × 103,817.98 - Step 4: Simplify right side
160,439.14x = 24,883,471,343.85 - Step 5: Solve for x
x = 24,883,471,343.85/160,439.14 - Step 6: Final answer
x = 155,096.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.