Finding the Fourth Proportional to 192,449.73, 265,569.84 and 106,403.70
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Solution
The fourth proportional to 192,449.73, 265,569.84 and 106,403.70 is: 146,831.14
Step by Step Solution
- Step 1: Write the proportion equation
192,449.73 : 265,569.84 = 106,403.70 : x - Step 2: Convert to fraction form
192,449.73/265,569.84 = 106,403.70/x - Step 3: Cross multiply
192,449.73x = 265,569.84 × 106,403.70 - Step 4: Simplify right side
192,449.73x = 28,257,613,584.41 - Step 5: Solve for x
x = 28,257,613,584.41/192,449.73 - Step 6: Final answer
x = 146,831.14
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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.