Finding the Fourth Proportional to 263,367.08, 395,089.50 and 76,354.28
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Solution
The fourth proportional to 263,367.08, 395,089.50 and 76,354.28 is: 114,542.69
Step by Step Solution
- Step 1: Write the proportion equation
263,367.08 : 395,089.50 = 76,354.28 : x - Step 2: Convert to fraction form
263,367.08/395,089.50 = 76,354.28/x - Step 3: Cross multiply
263,367.08x = 395,089.50 × 76,354.28 - Step 4: Simplify right side
263,367.08x = 30,166,774,308.06 - Step 5: Solve for x
x = 30,166,774,308.06/263,367.08 - Step 6: Final answer
x = 114,542.69
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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.