Finding the Fourth Proportional to 633,138.64, 949,858.91 and 206,674.92
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Solution
The fourth proportional to 633,138.64, 949,858.91 and 206,674.92 is: 310,061.65
Step by Step Solution
- Step 1: Write the proportion equation
633,138.64 : 949,858.91 = 206,674.92 : x - Step 2: Convert to fraction form
633,138.64/949,858.91 = 206,674.92/x - Step 3: Cross multiply
633,138.64x = 949,858.91 × 206,674.92 - Step 4: Simplify right side
633,138.64x = 196,312,014,235.54 - Step 5: Solve for x
x = 196,312,014,235.54/633,138.64 - Step 6: Final answer
x = 310,061.65
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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.