Finding the Fourth Proportional to 216,057.36, 298,218.06 and 125,441.70
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Solution
The fourth proportional to 216,057.36, 298,218.06 and 125,441.70 is: 173,143.74
Step by Step Solution
- Step 1: Write the proportion equation
216,057.36 : 298,218.06 = 125,441.70 : x - Step 2: Convert to fraction form
216,057.36/298,218.06 = 125,441.70/x - Step 3: Cross multiply
216,057.36x = 298,218.06 × 125,441.70 - Step 4: Simplify right side
216,057.36x = 37,408,980,417.10 - Step 5: Solve for x
x = 37,408,980,417.10/216,057.36 - Step 6: Final answer
x = 173,143.74
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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.