Finding the Fourth Proportional to 146,393.20, 201,870.68 and 125,242.48
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Solution
The fourth proportional to 146,393.20, 201,870.68 and 125,242.48 is: 172,704.64
Step by Step Solution
- Step 1: Write the proportion equation
146,393.20 : 201,870.68 = 125,242.48 : x - Step 2: Convert to fraction form
146,393.20/201,870.68 = 125,242.48/x - Step 3: Cross multiply
146,393.20x = 201,870.68 × 125,242.48 - Step 4: Simplify right side
146,393.20x = 25,282,784,602.49 - Step 5: Solve for x
x = 25,282,784,602.49/146,393.20 - Step 6: Final answer
x = 172,704.64
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1.5x scale
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.