Finding the Fourth Proportional to 268,165.08, 402,247.62 and 68,485.91
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Solution
The fourth proportional to 268,165.08, 402,247.62 and 68,485.91 is: 102,728.86
Step by Step Solution
- Step 1: Write the proportion equation
268,165.08 : 402,247.62 = 68,485.91 : x - Step 2: Convert to fraction form
268,165.08/402,247.62 = 68,485.91/x - Step 3: Cross multiply
268,165.08x = 402,247.62 × 68,485.91 - Step 4: Simplify right side
268,165.08x = 27,548,292,289.80 - Step 5: Solve for x
x = 27,548,292,289.80/268,165.08 - Step 6: Final answer
x = 102,728.86
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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.