Finding the Fourth Proportional to 216,086.99, 298,230.10 and 120,599.84
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Solution
The fourth proportional to 216,086.99, 298,230.10 and 120,599.84 is: 166,444.55
Step by Step Solution
- Step 1: Write the proportion equation
216,086.99 : 298,230.10 = 120,599.84 : x - Step 2: Convert to fraction form
216,086.99/298,230.10 = 120,599.84/x - Step 3: Cross multiply
216,086.99x = 298,230.10 × 120,599.84 - Step 4: Simplify right side
216,086.99x = 35,966,501,788.09 - Step 5: Solve for x
x = 35,966,501,788.09/216,086.99 - Step 6: Final answer
x = 166,444.55
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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.