Finding the Fourth Proportional to 192,574.01, 265,728.70 and 106,521.48
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Solution
The fourth proportional to 192,574.01, 265,728.70 and 106,521.48 is: 146,986.68
Step by Step Solution
- Step 1: Write the proportion equation
192,574.01 : 265,728.70 = 106,521.48 : x - Step 2: Convert to fraction form
192,574.01/265,728.70 = 106,521.48/x - Step 3: Cross multiply
192,574.01x = 265,728.70 × 106,521.48 - Step 4: Simplify right side
192,574.01x = 28,305,814,535.63 - Step 5: Solve for x
x = 28,305,814,535.63/192,574.01 - Step 6: Final answer
x = 146,986.68
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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.