Finding the Fourth Proportional to 120,239.67, 180,384.11 and 41,343.65
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Solution
The fourth proportional to 120,239.67, 180,384.11 and 41,343.65 is: 62,023.94
Step by Step Solution
- Step 1: Write the proportion equation
120,239.67 : 180,384.11 = 41,343.65 : x - Step 2: Convert to fraction form
120,239.67/180,384.11 = 41,343.65/x - Step 3: Cross multiply
120,239.67x = 180,384.11 × 41,343.65 - Step 4: Simplify right side
120,239.67x = 7,457,737,509.40 - Step 5: Solve for x
x = 7,457,737,509.40/120,239.67 - Step 6: Final answer
x = 62,023.94
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1.5x scale
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.