Finding the Fourth Proportional to 268,378.90, 402,568.08 and 68,698.96
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Solution
The fourth proportional to 268,378.90, 402,568.08 and 68,698.96 is: 103,048.37
Step by Step Solution
- Step 1: Write the proportion equation
268,378.90 : 402,568.08 = 68,698.96 : x - Step 2: Convert to fraction form
268,378.90/402,568.08 = 68,698.96/x - Step 3: Cross multiply
268,378.90x = 402,568.08 × 68,698.96 - Step 4: Simplify right side
268,378.90x = 27,656,008,425.20 - Step 5: Solve for x
x = 27,656,008,425.20/268,378.90 - Step 6: Final answer
x = 103,048.37
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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.