Finding the Fourth Proportional to 317,298.87, 475,949.94 and 106,938.63
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Solution
The fourth proportional to 317,298.87, 475,949.94 and 106,938.63 is: 160,408.50
Step by Step Solution
- Step 1: Write the proportion equation
317,298.87 : 475,949.94 = 106,938.63 : x - Step 2: Convert to fraction form
317,298.87/475,949.94 = 106,938.63/x - Step 3: Cross multiply
317,298.87x = 475,949.94 × 106,938.63 - Step 4: Simplify right side
317,298.87x = 50,897,434,532.18 - Step 5: Solve for x
x = 50,897,434,532.18/317,298.87 - Step 6: Final answer
x = 160,408.50
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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.