Finding the Fourth Proportional to 268,114.36, 402,171.36 and 68,434.78
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Solution
The fourth proportional to 268,114.36, 402,171.36 and 68,434.78 is: 102,652.12
Step by Step Solution
- Step 1: Write the proportion equation
268,114.36 : 402,171.36 = 68,434.78 : x - Step 2: Convert to fraction form
268,114.36/402,171.36 = 68,434.78/x - Step 3: Cross multiply
268,114.36x = 402,171.36 × 68,434.78 - Step 4: Simplify right side
268,114.36x = 27,522,508,543.90 - Step 5: Solve for x
x = 27,522,508,543.90/268,114.36 - Step 6: Final answer
x = 102,652.12
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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.