Finding the Fourth Proportional to 74,604.99, 111,866.58 and 29,580.74
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Solution
The fourth proportional to 74,604.99, 111,866.58 and 29,580.74 is: 44,354.89
Step by Step Solution
- Step 1: Write the proportion equation
74,604.99 : 111,866.58 = 29,580.74 : x - Step 2: Convert to fraction form
74,604.99/111,866.58 = 29,580.74/x - Step 3: Cross multiply
74,604.99x = 111,866.58 × 29,580.74 - Step 4: Simplify right side
74,604.99x = 3,309,096,217.67 - Step 5: Solve for x
x = 3,309,096,217.67/74,604.99 - Step 6: Final answer
x = 44,354.89
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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.