Finding the Fourth Proportional to 259,043.13, 357,474.06 and 144,321.62
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Solution
The fourth proportional to 259,043.13, 357,474.06 and 144,321.62 is: 199,160.79
Step by Step Solution
- Step 1: Write the proportion equation
259,043.13 : 357,474.06 = 144,321.62 : x - Step 2: Convert to fraction form
259,043.13/357,474.06 = 144,321.62/x - Step 3: Cross multiply
259,043.13x = 357,474.06 × 144,321.62 - Step 4: Simplify right side
259,043.13x = 51,591,233,659.81 - Step 5: Solve for x
x = 51,591,233,659.81/259,043.13 - Step 6: Final answer
x = 199,160.79
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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.