Finding the Fourth Proportional to 259,889.87, 389,971.43 and 184,475.09
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Solution
The fourth proportional to 259,889.87, 389,971.43 and 184,475.09 is: 276,809.61
Step by Step Solution
- Step 1: Write the proportion equation
259,889.87 : 389,971.43 = 184,475.09 : x - Step 2: Convert to fraction form
259,889.87/389,971.43 = 184,475.09/x - Step 3: Cross multiply
259,889.87x = 389,971.43 × 184,475.09 - Step 4: Simplify right side
259,889.87x = 71,940,011,774.45 - Step 5: Solve for x
x = 71,940,011,774.45/259,889.87 - Step 6: Final answer
x = 276,809.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.