Finding the Fourth Proportional to 451,251.57, 622,744.44 and 257,690.88
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Solution
The fourth proportional to 451,251.57, 622,744.44 and 257,690.88 is: 355,623.28
Step by Step Solution
- Step 1: Write the proportion equation
451,251.57 : 622,744.44 = 257,690.88 : x - Step 2: Convert to fraction form
451,251.57/622,744.44 = 257,690.88/x - Step 3: Cross multiply
451,251.57x = 622,744.44 × 257,690.88 - Step 4: Simplify right side
451,251.57x = 160,475,562,758.71 - Step 5: Solve for x
x = 160,475,562,758.71/451,251.57 - Step 6: Final answer
x = 355,623.28
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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.