Finding the Fourth Proportional to 195,728.52, 270,106.74 and 106,304.52
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Solution
The fourth proportional to 195,728.52, 270,106.74 and 106,304.52 is: 146,700.99
Step by Step Solution
- Step 1: Write the proportion equation
195,728.52 : 270,106.74 = 106,304.52 : x - Step 2: Convert to fraction form
195,728.52/270,106.74 = 106,304.52/x - Step 3: Cross multiply
195,728.52x = 270,106.74 × 106,304.52 - Step 4: Simplify right side
195,728.52x = 28,713,567,344.46 - Step 5: Solve for x
x = 28,713,567,344.46/195,728.52 - Step 6: Final answer
x = 146,700.99
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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.