Finding the Fourth Proportional to 160,268.68, 221,164.02 and 88,644.12
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Solution
The fourth proportional to 160,268.68, 221,164.02 and 88,644.12 is: 122,325.15
Step by Step Solution
- Step 1: Write the proportion equation
160,268.68 : 221,164.02 = 88,644.12 : x - Step 2: Convert to fraction form
160,268.68/221,164.02 = 88,644.12/x - Step 3: Cross multiply
160,268.68x = 221,164.02 × 88,644.12 - Step 4: Simplify right side
160,268.68x = 19,604,890,343.24 - Step 5: Solve for x
x = 19,604,890,343.24/160,268.68 - Step 6: Final answer
x = 122,325.15
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1.5x scale
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.