Finding the Fourth Proportional to 268,668.38, 370,762.35 and 147,807.06
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Solution
The fourth proportional to 268,668.38, 370,762.35 and 147,807.06 is: 203,973.73
Step by Step Solution
- Step 1: Write the proportion equation
268,668.38 : 370,762.35 = 147,807.06 : x - Step 2: Convert to fraction form
268,668.38/370,762.35 = 147,807.06/x - Step 3: Cross multiply
268,668.38x = 370,762.35 × 147,807.06 - Step 4: Simplify right side
268,668.38x = 54,801,292,912.19 - Step 5: Solve for x
x = 54,801,292,912.19/268,668.38 - Step 6: Final answer
x = 203,973.73
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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.