Finding the Fourth Proportional to 114,246.44, 171,399.21 and 66,901.53
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Solution
The fourth proportional to 114,246.44, 171,399.21 and 66,901.53 is: 100,369.60
Step by Step Solution
- Step 1: Write the proportion equation
114,246.44 : 171,399.21 = 66,901.53 : x - Step 2: Convert to fraction form
114,246.44/171,399.21 = 66,901.53/x - Step 3: Cross multiply
114,246.44x = 171,399.21 × 66,901.53 - Step 4: Simplify right side
114,246.44x = 11,466,869,389.79 - Step 5: Solve for x
x = 11,466,869,389.79/114,246.44 - Step 6: Final answer
x = 100,369.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.