Finding the Fourth Proportional to 540,079.98, 745,306.83 and 298,378.14
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Solution
The fourth proportional to 540,079.98, 745,306.83 and 298,378.14 is: 411,759.88
Step by Step Solution
- Step 1: Write the proportion equation
540,079.98 : 745,306.83 = 298,378.14 : x - Step 2: Convert to fraction form
540,079.98/745,306.83 = 298,378.14/x - Step 3: Cross multiply
540,079.98x = 745,306.83 × 298,378.14 - Step 4: Simplify right side
540,079.98x = 222,383,265,664.70 - Step 5: Solve for x
x = 222,383,265,664.70/540,079.98 - Step 6: Final answer
x = 411,759.88
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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.