Finding the Fourth Proportional to 263,817.84, 395,750.12 and 74,279.83
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Solution
The fourth proportional to 263,817.84, 395,750.12 and 74,279.83 is: 111,426.32
Step by Step Solution
- Step 1: Write the proportion equation
263,817.84 : 395,750.12 = 74,279.83 : x - Step 2: Convert to fraction form
263,817.84/395,750.12 = 74,279.83/x - Step 3: Cross multiply
263,817.84x = 395,750.12 × 74,279.83 - Step 4: Simplify right side
263,817.84x = 29,396,251,636.08 - Step 5: Solve for x
x = 29,396,251,636.08/263,817.84 - Step 6: Final answer
x = 111,426.32
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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.