Finding the Fourth Proportional to 669,411.26, 1,004,149.16 and 220,122.18
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Solution
The fourth proportional to 669,411.26, 1,004,149.16 and 220,122.18 is: 330,193.88
Step by Step Solution
- Step 1: Write the proportion equation
669,411.26 : 1,004,149.16 = 220,122.18 : x - Step 2: Convert to fraction form
669,411.26/1,004,149.16 = 220,122.18/x - Step 3: Cross multiply
669,411.26x = 1,004,149.16 × 220,122.18 - Step 4: Simplify right side
669,411.26x = 221,035,501,043.76 - Step 5: Solve for x
x = 221,035,501,043.76/669,411.26 - Step 6: Final answer
x = 330,193.88
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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.