Finding the Fourth Proportional to 433,115.87, 649,237.60 and 180,536.17
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Solution
The fourth proportional to 433,115.87, 649,237.60 and 180,536.17 is: 270,622.43
Step by Step Solution
- Step 1: Write the proportion equation
433,115.87 : 649,237.60 = 180,536.17 : x - Step 2: Convert to fraction form
433,115.87/649,237.60 = 180,536.17/x - Step 3: Cross multiply
433,115.87x = 649,237.60 × 180,536.17 - Step 4: Simplify right side
433,115.87x = 117,210,868,225.67 - Step 5: Solve for x
x = 117,210,868,225.67/433,115.87 - Step 6: Final answer
x = 270,622.43
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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.