Finding the Fourth Proportional to 471,485.63, 650,664.27 and 290,302.10
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Solution
The fourth proportional to 471,485.63, 650,664.27 and 290,302.10 is: 400,625.58
Step by Step Solution
- Step 1: Write the proportion equation
471,485.63 : 650,664.27 = 290,302.10 : x - Step 2: Convert to fraction form
471,485.63/650,664.27 = 290,302.10/x - Step 3: Cross multiply
471,485.63x = 650,664.27 × 290,302.10 - Step 4: Simplify right side
471,485.63x = 188,889,200,722.65 - Step 5: Solve for x
x = 188,889,200,722.65/471,485.63 - Step 6: Final answer
x = 400,625.58
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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.