Finding the Fourth Proportional to 124,579.96, 186,899.67 and 40,340.21
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Solution
The fourth proportional to 124,579.96, 186,899.67 and 40,340.21 is: 60,519.94
Step by Step Solution
- Step 1: Write the proportion equation
124,579.96 : 186,899.67 = 40,340.21 : x - Step 2: Convert to fraction form
124,579.96/186,899.67 = 40,340.21/x - Step 3: Cross multiply
124,579.96x = 186,899.67 × 40,340.21 - Step 4: Simplify right side
124,579.96x = 7,539,571,002.23 - Step 5: Solve for x
x = 7,539,571,002.23/124,579.96 - Step 6: Final answer
x = 60,519.94
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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.