Finding the Fourth Proportional to 314,660.16, 471,815.28 and 104,183.28
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Solution
The fourth proportional to 314,660.16, 471,815.28 and 104,183.28 is: 156,216.99
Step by Step Solution
- Step 1: Write the proportion equation
314,660.16 : 471,815.28 = 104,183.28 : x - Step 2: Convert to fraction form
314,660.16/471,815.28 = 104,183.28/x - Step 3: Cross multiply
314,660.16x = 471,815.28 × 104,183.28 - Step 4: Simplify right side
314,660.16x = 49,155,263,424.52 - Step 5: Solve for x
x = 49,155,263,424.52/314,660.16 - Step 6: Final answer
x = 156,216.99
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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.