Finding the Fourth Proportional to 268,668.63, 370,762.69 and 147,807.31
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Solution
The fourth proportional to 268,668.63, 370,762.69 and 147,807.31 is: 203,974.08
Step by Step Solution
- Step 1: Write the proportion equation
268,668.63 : 370,762.69 = 147,807.31 : x - Step 2: Convert to fraction form
268,668.63/370,762.69 = 147,807.31/x - Step 3: Cross multiply
268,668.63x = 370,762.69 × 147,807.31 - Step 4: Simplify right side
268,668.63x = 54,801,435,857.26 - Step 5: Solve for x
x = 54,801,435,857.26/268,668.63 - Step 6: Final answer
x = 203,974.08
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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.