Finding the Fourth Proportional to 216,119.21, 298,214.87 and 125,460.77
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Solution
The fourth proportional to 216,119.21, 298,214.87 and 125,460.77 is: 173,118.65
Step by Step Solution
- Step 1: Write the proportion equation
216,119.21 : 298,214.87 = 125,460.77 : x - Step 2: Convert to fraction form
216,119.21/298,214.87 = 125,460.77/x - Step 3: Cross multiply
216,119.21x = 298,214.87 × 125,460.77 - Step 4: Simplify right side
216,119.21x = 37,414,265,097.27 - Step 5: Solve for x
x = 37,414,265,097.27/216,119.21 - Step 6: Final answer
x = 173,118.65
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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.