Finding the Fourth Proportional to 190,115.34, 262,417.56 and 109,596.68
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Solution
The fourth proportional to 190,115.34, 262,417.56 and 109,596.68 is: 151,277.08
Step by Step Solution
- Step 1: Write the proportion equation
190,115.34 : 262,417.56 = 109,596.68 : x - Step 2: Convert to fraction form
190,115.34/262,417.56 = 109,596.68/x - Step 3: Cross multiply
190,115.34x = 262,417.56 × 109,596.68 - Step 4: Simplify right side
190,115.34x = 28,760,093,349.70 - Step 5: Solve for x
x = 28,760,093,349.70/190,115.34 - Step 6: Final answer
x = 151,277.08
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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.