Finding the Fourth Proportional to 121,821.24, 182,763.36 and 37,579.53
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Solution
The fourth proportional to 121,821.24, 182,763.36 and 37,579.53 is: 56,379.01
Step by Step Solution
- Step 1: Write the proportion equation
121,821.24 : 182,763.36 = 37,579.53 : x - Step 2: Convert to fraction form
121,821.24/182,763.36 = 37,579.53/x - Step 3: Cross multiply
121,821.24x = 182,763.36 × 37,579.53 - Step 4: Simplify right side
121,821.24x = 6,868,161,170.02 - Step 5: Solve for x
x = 6,868,161,170.02/121,821.24 - Step 6: Final answer
x = 56,379.01
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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.