Finding the Fourth Proportional to 190,888.24, 263,339.40 and 122,880.84
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Solution
The fourth proportional to 190,888.24, 263,339.40 and 122,880.84 is: 169,519.96
Step by Step Solution
- Step 1: Write the proportion equation
190,888.24 : 263,339.40 = 122,880.84 : x - Step 2: Convert to fraction form
190,888.24/263,339.40 = 122,880.84/x - Step 3: Cross multiply
190,888.24x = 263,339.40 × 122,880.84 - Step 4: Simplify right side
190,888.24x = 32,359,366,677.10 - Step 5: Solve for x
x = 32,359,366,677.10/190,888.24 - Step 6: Final answer
x = 169,519.96
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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.