Finding the Fourth Proportional to 451,439.64, 622,993.68 and 247,510.08
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Solution
The fourth proportional to 451,439.64, 622,993.68 and 247,510.08 is: 341,567.74
Step by Step Solution
- Step 1: Write the proportion equation
451,439.64 : 622,993.68 = 247,510.08 : x - Step 2: Convert to fraction form
451,439.64/622,993.68 = 247,510.08/x - Step 3: Cross multiply
451,439.64x = 622,993.68 × 247,510.08 - Step 4: Simplify right side
451,439.64x = 154,197,215,576.29 - Step 5: Solve for x
x = 154,197,215,576.29/451,439.64 - Step 6: Final answer
x = 341,567.74
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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.