Finding the Fourth Proportional to 263,898.65, 395,847.50 and 74,358.65
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Solution
The fourth proportional to 263,898.65, 395,847.50 and 74,358.65 is: 111,537.84
Step by Step Solution
- Step 1: Write the proportion equation
263,898.65 : 395,847.50 = 74,358.65 : x - Step 2: Convert to fraction form
263,898.65/395,847.50 = 74,358.65/x - Step 3: Cross multiply
263,898.65x = 395,847.50 × 74,358.65 - Step 4: Simplify right side
263,898.65x = 29,434,686,323.70 - Step 5: Solve for x
x = 29,434,686,323.70/263,898.65 - Step 6: Final answer
x = 111,537.84
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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.