Finding the Fourth Proportional to 324,996.58, 487,445.46 and 125,287.84
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Solution
The fourth proportional to 324,996.58, 487,445.46 and 125,287.84 is: 187,912.71
Step by Step Solution
- Step 1: Write the proportion equation
324,996.58 : 487,445.46 = 125,287.84 : x - Step 2: Convert to fraction form
324,996.58/487,445.46 = 125,287.84/x - Step 3: Cross multiply
324,996.58x = 487,445.46 × 125,287.84 - Step 4: Simplify right side
324,996.58x = 61,070,988,801.21 - Step 5: Solve for x
x = 61,070,988,801.21/324,996.58 - Step 6: Final answer
x = 187,912.71
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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.