Finding the Fourth Proportional to 125,246.97, 187,830.36 and 40,984.29
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Solution
The fourth proportional to 125,246.97, 187,830.36 and 40,984.29 is: 61,463.31
Step by Step Solution
- Step 1: Write the proportion equation
125,246.97 : 187,830.36 = 40,984.29 : x - Step 2: Convert to fraction form
125,246.97/187,830.36 = 40,984.29/x - Step 3: Cross multiply
125,246.97x = 187,830.36 × 40,984.29 - Step 4: Simplify right side
125,246.97x = 7,698,093,945.04 - Step 5: Solve for x
x = 7,698,093,945.04/125,246.97 - Step 6: Final answer
x = 61,463.31
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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.