Finding the Fourth Proportional to 122,360.43, 183,245.40 and 69,609.99
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Solution
The fourth proportional to 122,360.43, 183,245.40 and 69,609.99 is: 104,247.02
Step by Step Solution
- Step 1: Write the proportion equation
122,360.43 : 183,245.40 = 69,609.99 : x - Step 2: Convert to fraction form
122,360.43/183,245.40 = 69,609.99/x - Step 3: Cross multiply
122,360.43x = 183,245.40 × 69,609.99 - Step 4: Simplify right side
122,360.43x = 12,755,710,461.55 - Step 5: Solve for x
x = 12,755,710,461.55/122,360.43 - Step 6: Final answer
x = 104,247.02
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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.