Finding the Fourth Proportional to 483,616.56, 667,407.08 and 268,765.68
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Solution
The fourth proportional to 483,616.56, 667,407.08 and 268,765.68 is: 370,905.66
Step by Step Solution
- Step 1: Write the proportion equation
483,616.56 : 667,407.08 = 268,765.68 : x - Step 2: Convert to fraction form
483,616.56/667,407.08 = 268,765.68/x - Step 3: Cross multiply
483,616.56x = 667,407.08 × 268,765.68 - Step 4: Simplify right side
483,616.56x = 179,376,117,693.01 - Step 5: Solve for x
x = 179,376,117,693.01/483,616.56 - Step 6: Final answer
x = 370,905.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.