Finding the Fourth Proportional to 268,128.63, 402,192.57 and 68,449.02
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Solution
The fourth proportional to 268,128.63, 402,192.57 and 68,449.02 is: 102,673.43
Step by Step Solution
- Step 1: Write the proportion equation
268,128.63 : 402,192.57 = 68,449.02 : x - Step 2: Convert to fraction form
268,128.63/402,192.57 = 68,449.02/x - Step 3: Cross multiply
268,128.63x = 402,192.57 × 68,449.02 - Step 4: Simplify right side
268,128.63x = 27,529,687,267.78 - Step 5: Solve for x
x = 27,529,687,267.78/268,128.63 - Step 6: Final answer
x = 102,673.43
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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.