Finding the Fourth Proportional to 440,825.73, 661,246.80 and 125,290.84
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Solution
The fourth proportional to 440,825.73, 661,246.80 and 125,290.84 is: 187,938.59
Step by Step Solution
- Step 1: Write the proportion equation
440,825.73 : 661,246.80 = 125,290.84 : x - Step 2: Convert to fraction form
440,825.73/661,246.80 = 125,290.84/x - Step 3: Cross multiply
440,825.73x = 661,246.80 × 125,290.84 - Step 4: Simplify right side
440,825.73x = 82,848,165,294.41 - Step 5: Solve for x
x = 82,848,165,294.41/440,825.73 - Step 6: Final answer
x = 187,938.59
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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.