Finding the Fourth Proportional to 146,415.68, 217,739.92 and 141,750.08
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Solution
The fourth proportional to 146,415.68, 217,739.92 and 141,750.08 is: 210,801.54
Step by Step Solution
- Step 1: Write the proportion equation
146,415.68 : 217,739.92 = 141,750.08 : x - Step 2: Convert to fraction form
146,415.68/217,739.92 = 141,750.08/x - Step 3: Cross multiply
146,415.68x = 217,739.92 × 141,750.08 - Step 4: Simplify right side
146,415.68x = 30,864,651,079.19 - Step 5: Solve for x
x = 30,864,651,079.19/146,415.68 - Step 6: Final answer
x = 210,801.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.