Finding the Fourth Proportional to 775,638.56, 1,163,458.06 and 243,201.11
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Solution
The fourth proportional to 775,638.56, 1,163,458.06 and 243,201.11 is: 364,801.73
Step by Step Solution
- Step 1: Write the proportion equation
775,638.56 : 1,163,458.06 = 243,201.11 : x - Step 2: Convert to fraction form
775,638.56/1,163,458.06 = 243,201.11/x - Step 3: Cross multiply
775,638.56x = 1,163,458.06 × 243,201.11 - Step 4: Simplify right side
775,638.56x = 282,954,286,421.16 - Step 5: Solve for x
x = 282,954,286,421.16/775,638.56 - Step 6: Final answer
x = 364,801.73
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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.