Finding the Fourth Proportional to 114,244.09, 171,395.70 and 66,899.18
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Solution
The fourth proportional to 114,244.09, 171,395.70 and 66,899.18 is: 100,366.09
Step by Step Solution
- Step 1: Write the proportion equation
114,244.09 : 171,395.70 = 66,899.18 : x - Step 2: Convert to fraction form
114,244.09/171,395.70 = 66,899.18/x - Step 3: Cross multiply
114,244.09x = 171,395.70 × 66,899.18 - Step 4: Simplify right side
114,244.09x = 11,466,231,963.14 - Step 5: Solve for x
x = 11,466,231,963.14/114,244.09 - Step 6: Final answer
x = 100,366.09
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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.